Kahl, Nathan; Luttrell, Kristi On maximum graphs in Tutte polynomial posets. (English) Zbl 1528.05036 Discrete Appl. Math. 339, 78-88 (2023). MSC: 05C35 05C31 05C15 06A07 90B25 90C35 PDFBibTeX XMLCite \textit{N. Kahl} and \textit{K. Luttrell}, Discrete Appl. Math. 339, 78--88 (2023; Zbl 1528.05036) Full Text: DOI
Cigler, Grega; Jerman, Marjan; Wojciechowski, Piotr J. Transitive systems and conclusive partial orders. (English) Zbl 07510694 Discrete Appl. Math. 314, 129-141 (2022). MSC: 06A07 05C20 15A30 PDFBibTeX XMLCite \textit{G. Cigler} et al., Discrete Appl. Math. 314, 129--141 (2022; Zbl 07510694) Full Text: DOI
Apke, Alexander; Schrader, Rainer A characterization of interval orders with semiorder dimension two. (English) Zbl 1462.06001 Discrete Appl. Math. 297, 142-150 (2021). MSC: 06A07 05C30 PDFBibTeX XMLCite \textit{A. Apke} and \textit{R. Schrader}, Discrete Appl. Math. 297, 142--150 (2021; Zbl 1462.06001) Full Text: DOI
Alves, Jesmmer; Castonguay, Diane; Brüstle, Thomas Unit form recognition by mutations: application of mutations in the search of positive roots. (English) Zbl 1460.05078 Discrete Appl. Math. 291, 223-236 (2021). MSC: 05C22 05C85 05E10 05E16 68Q17 16G20 11E99 PDFBibTeX XMLCite \textit{J. Alves} et al., Discrete Appl. Math. 291, 223--236 (2021; Zbl 1460.05078) Full Text: DOI
Zaguia, Imed Greedy balanced pairs in \(N\)-free ordered sets. (English) Zbl 1508.06001 Discrete Appl. Math. 289, 539-544 (2021). MSC: 06A06 06A07 PDFBibTeX XMLCite \textit{I. Zaguia}, Discrete Appl. Math. 289, 539--544 (2021; Zbl 1508.06001) Full Text: DOI arXiv
Osztényi, József Proof of Stahl’s conjecture in some new cases. (English) Zbl 1459.05090 Discrete Appl. Math. 285, 113-118 (2020). Reviewer: Reinhardt Euler (Brest) MSC: 05C15 06A07 PDFBibTeX XMLCite \textit{J. Osztényi}, Discrete Appl. Math. 285, 113--118 (2020; Zbl 1459.05090) Full Text: DOI
De Caria, Pablo Neighborhood inclusion posets and tree representations for chordal and dually chordal graphs. (English) Zbl 1440.05153 Discrete Appl. Math. 281, 151-161 (2020). MSC: 05C62 05C05 06A07 68Q17 PDFBibTeX XMLCite \textit{P. De Caria}, Discrete Appl. Math. 281, 151--161 (2020; Zbl 1440.05153) Full Text: DOI
Boyadzhiyska, Simona; Isaak, Garth; Trenk, Ann N. Interval orders with two interval lengths. (English) Zbl 07101879 Discrete Appl. Math. 267, 52-63 (2019). MSC: 06A07 PDFBibTeX XMLCite \textit{S. Boyadzhiyska} et al., Discrete Appl. Math. 267, 52--63 (2019; Zbl 07101879) Full Text: DOI arXiv
Alves, Jesmmer; Castongay, Diane; Brüstle, Thomas A polynomial recognition of unit forms using graph-based strategies. (English) Zbl 1404.16011 Discrete Appl. Math. 253, 61-72 (2019). MSC: 16G20 15A63 16G60 05C25 PDFBibTeX XMLCite \textit{J. Alves} et al., Discrete Appl. Math. 253, 61--72 (2019; Zbl 1404.16011) Full Text: DOI
Habib, Michel; Nourine, Lhouari Representation of lattices via set-colored posets. (English) Zbl 1528.06016 Discrete Appl. Math. 249, 64-73 (2018). MSC: 06D05 06B15 06A07 PDFBibTeX XMLCite \textit{M. Habib} and \textit{L. Nourine}, Discrete Appl. Math. 249, 64--73 (2018; Zbl 1528.06016) Full Text: DOI
Corrêa, Ricardo Cordeiro; Hoppen, Carlos; Sampaio, Rudini Menezes Limits of \(k\)-dimensional poset sequences. (English) Zbl 1436.06003 Discrete Appl. Math. 245, 208-219 (2018). MSC: 06A06 06A07 PDFBibTeX XMLCite \textit{R. C. Corrêa} et al., Discrete Appl. Math. 245, 208--219 (2018; Zbl 1436.06003) Full Text: DOI
Alcón, Liliana; Gudiño, Noemí; Gutierrez, Marisa Recent results on containment graphs of paths in a tree. (English) Zbl 1387.05126 Discrete Appl. Math. 245, 139-147 (2018). MSC: 05C38 05C05 06A07 PDFBibTeX XMLCite \textit{L. Alcón} et al., Discrete Appl. Math. 245, 139--147 (2018; Zbl 1387.05126) Full Text: DOI
Fujishige, Satoru Parametric bisubmodular function minimization and its associated signed ring family. (English) Zbl 1365.05119 Discrete Appl. Math. 227, 142-148 (2017). MSC: 05C22 06A07 PDFBibTeX XMLCite \textit{S. Fujishige}, Discrete Appl. Math. 227, 142--148 (2017; Zbl 1365.05119) Full Text: DOI Link
Cheng, Christine T.; McDermid, Eric; Suzuki, Ichiro Eccentricity, center and radius computations on the cover graphs of distributive lattices with applications to stable matchings. (English) Zbl 1333.05236 Discrete Appl. Math. 205, 27-34 (2016). MSC: 05C70 06C99 06A07 PDFBibTeX XMLCite \textit{C. T. Cheng} et al., Discrete Appl. Math. 205, 27--34 (2016; Zbl 1333.05236) Full Text: DOI
Saha, Pranab K.; Basu, Asim; Sen, Malay K.; West, Douglas B. Permutation bigraphs and interval containments. (English) Zbl 1298.05165 Discrete Appl. Math. 175, 71-78 (2014). MSC: 05C30 05C62 05A05 06A07 PDFBibTeX XMLCite \textit{P. K. Saha} et al., Discrete Appl. Math. 175, 71--78 (2014; Zbl 1298.05165) Full Text: DOI
Joshi, Vinayak; Waphare, B. N.; Pourali, H. Y. On generalized zero divisor graph of a poset. (English) Zbl 1287.05083 Discrete Appl. Math. 161, No. 10-11, 1490-1495 (2013). MSC: 05C50 05C69 06A07 PDFBibTeX XMLCite \textit{V. Joshi} et al., Discrete Appl. Math. 161, No. 10--11, 1490--1495 (2013; Zbl 1287.05083) Full Text: DOI
Alizadeh, M.; Das, A. K.; Maimani, H. R.; Pournaki, M. R.; Yassemi, S. On the diameter and girth of zero-divisor graphs of posets. (English) Zbl 1239.05088 Discrete Appl. Math. 160, No. 9, 1319-1324 (2012). MSC: 05C25 05C12 06A07 PDFBibTeX XMLCite \textit{M. Alizadeh} et al., Discrete Appl. Math. 160, No. 9, 1319--1324 (2012; Zbl 1239.05088) Full Text: DOI
Kitaev, Sergey; Remmel, Jeffrey Enumerating \((\mathbf 2+\mathbf 2)\)-free posets by the number of minimal elements and other statistics. (English) Zbl 1239.05016 Discrete Appl. Math. 159, No. 17, 2098-2108 (2011). MSC: 05A15 06A07 PDFBibTeX XMLCite \textit{S. Kitaev} and \textit{J. Remmel}, Discrete Appl. Math. 159, No. 17, 2098--2108 (2011; Zbl 1239.05016) Full Text: DOI arXiv
Shuchat, Alan; Shull, Randy; Trenk, Ann N. Fractional weak discrepancy and split semiorders. (English) Zbl 1256.06002 Discrete Appl. Math. 159, No. 7, 647-660 (2011). MSC: 06A07 PDFBibTeX XMLCite \textit{A. Shuchat} et al., Discrete Appl. Math. 159, No. 7, 647--660 (2011; Zbl 1256.06002) Full Text: DOI arXiv Link
Howard, David; Trenk, Ann N. The \(t\)-discrepancy of a poset. (English) Zbl 1201.06001 Discrete Appl. Math. 158, No. 16, 1789-1798 (2010). MSC: 06A07 68Q17 68W05 PDFBibTeX XMLCite \textit{D. Howard} and \textit{A. N. Trenk}, Discrete Appl. Math. 158, No. 16, 1789--1798 (2010; Zbl 1201.06001) Full Text: DOI
Shuchat, Alan; Shull, Randy; Trenk, Ann N. Fractional weak discrepancy and interval orders. (English) Zbl 1174.06001 Discrete Appl. Math. 157, No. 8, 1873-1884 (2009). Reviewer: Renata Majovská (Horní Suchá) MSC: 06A06 PDFBibTeX XMLCite \textit{A. Shuchat} et al., Discrete Appl. Math. 157, No. 8, 1873--1884 (2009; Zbl 1174.06001) Full Text: DOI
Quilliot, Alain Preemptive scheduling and antichain polyhedra. (English) Zbl 1155.90356 Discrete Appl. Math. 156, No. 17, 3267-3275 (2008). MSC: 90B22 90C27 90C05 05C65 PDFBibTeX XMLCite \textit{A. Quilliot}, Discrete Appl. Math. 156, No. 17, 3267--3275 (2008; Zbl 1155.90356) Full Text: DOI
Falmagne, Jean-Claude; Hsu, Yung-Fong; Leite, Fabio; Regenwetter, Michel Stochastic applications of media theory: Random walks on weak orders or partial orders. (English) Zbl 1160.60017 Discrete Appl. Math. 156, No. 8, 1183-1196 (2008). Reviewer: George Stoica (Saint John) MSC: 60G50 60G05 06A06 06A07 60J20 PDFBibTeX XMLCite \textit{J.-C. Falmagne} et al., Discrete Appl. Math. 156, No. 8, 1183--1196 (2008; Zbl 1160.60017) Full Text: DOI
Shuchat, Alan; Shull, Randy; Trenk, Ann N. The fractional weak discrepancy of a partially ordered set. (English) Zbl 1142.06001 Discrete Appl. Math. 155, No. 17, 2227-2235 (2007). Reviewer: Renata Majovská (Horní Suchá) MSC: 06A07 90C05 PDFBibTeX XMLCite \textit{A. Shuchat} et al., Discrete Appl. Math. 155, No. 17, 2227--2235 (2007; Zbl 1142.06001) Full Text: DOI Link
Kharat, V. S.; Waphare, B. N.; Thakare, N. K. Reducibility number. (English) Zbl 1122.06002 Discrete Appl. Math. 155, No. 16, 2069-2076 (2007). Reviewer: Dana Piciu (Craiova) MSC: 06A07 06A11 06C05 06D05 PDFBibTeX XMLCite \textit{V. S. Kharat} et al., Discrete Appl. Math. 155, No. 16, 2069--2076 (2007; Zbl 1122.06002) Full Text: DOI
Kim, Seog-Jin; Kim, Suh-Ryung; Rho, Yoomi On CCE graphs of doubly partial orders. (English) Zbl 1118.05041 Discrete Appl. Math. 155, No. 8, 971-978 (2007). MSC: 05C20 06A07 PDFBibTeX XMLCite \textit{S.-J. Kim} et al., Discrete Appl. Math. 155, No. 8, 971--978 (2007; Zbl 1118.05041) Full Text: DOI
Cho, Han Hyuk; Kim, Suh-Ryung A class of acyclic digraphs with interval competition graphs. (English) Zbl 1071.05040 Discrete Appl. Math. 148, No. 2, 171-180 (2005). MSC: 05C20 06A07 PDFBibTeX XMLCite \textit{H. H. Cho} and \textit{S.-R. Kim}, Discrete Appl. Math. 148, No. 2, 171--180 (2005; Zbl 1071.05040) Full Text: DOI
Daragon, Xavier; Couprie, Michel; Bertrand, Gilles Derived neighborhoods and frontier orders. (English) Zbl 1061.68165 Discrete Appl. Math. 147, No. 2-3, 227-243 (2005). MSC: 68U05 06A11 52C07 PDFBibTeX XMLCite \textit{X. Daragon} et al., Discrete Appl. Math. 147, No. 2--3, 227--243 (2005; Zbl 1061.68165) Full Text: DOI
Wang, Yi Nested chain partitions of LYM posets. (English) Zbl 1056.06002 Discrete Appl. Math. 145, No. 3, 493-497 (2005). MSC: 06A07 PDFBibTeX XMLCite \textit{Y. Wang}, Discrete Appl. Math. 145, No. 3, 493--497 (2005; Zbl 1056.06002) Full Text: DOI
Sandman, Nirit A type-B Tamari poset. (English) Zbl 1057.52007 Discrete Appl. Math. 143, No. 1-3, 110-122 (2004). MSC: 52B45 06A07 PDFBibTeX XMLCite \textit{N. Sandman}, Discrete Appl. Math. 143, No. 1--3, 110--122 (2004; Zbl 1057.52007) Full Text: DOI
Pitteloud, Philippe On the log-concavity of sequences arising from integer bases. (English) Zbl 1045.05005 Discrete Appl. Math. 138, No. 1-2, 153-175 (2004). Reviewer: László A. Székely (Columbia) MSC: 05A10 05A15 05A20 06A07 11A67 PDFBibTeX XMLCite \textit{P. Pitteloud}, Discrete Appl. Math. 138, No. 1--2, 153--175 (2004; Zbl 1045.05005) Full Text: DOI
Fiorini, Samuel; Fishburn, Peter Facets of linear signed order polytopes. (English) Zbl 1077.91017 Discrete Appl. Math. 131, No. 3, 597-610 (2003). Reviewer: Antanas Žilinskas (Vilnius) MSC: 91B08 52B12 06A07 91B14 PDFBibTeX XMLCite \textit{S. Fiorini} and \textit{P. Fishburn}, Discrete Appl. Math. 131, No. 3, 597--610 (2003; Zbl 1077.91017) Full Text: DOI
Manlove, David F. The structure of stable marriage with indifference. (English) Zbl 1008.05117 Discrete Appl. Math. 122, No. 1-3, 167-181 (2002). Reviewer: C.Baetica (Bucureşti) MSC: 05C70 06A07 06D05 PDFBibTeX XMLCite \textit{D. F. Manlove}, Discrete Appl. Math. 122, No. 1--3, 167--181 (2002; Zbl 1008.05117) Full Text: DOI
Goles, Eric; Morvan, Michel; Phan, Ha Duong Sandpiles and order structure of integer partitions. (English) Zbl 0998.05005 Discrete Appl. Math. 117, No. 1-3, 51-64 (2002). Reviewer: Ljuben Mutafchiev (Sofia) MSC: 05A17 06A07 PDFBibTeX XMLCite \textit{E. Goles} et al., Discrete Appl. Math. 117, No. 1--3, 51--64 (2002; Zbl 0998.05005) Full Text: DOI
Kasim-Zade, O. M. On minimal coverings of the Boolean cube by centered antichains. (English) Zbl 0996.05030 Discrete Appl. Math. 114, No. 1-3, 147-153 (2001). MSC: 05B40 06E30 06A07 PDFBibTeX XMLCite \textit{O. M. Kasim-Zade}, Discrete Appl. Math. 114, No. 1--3, 147--153 (2001; Zbl 0996.05030) Full Text: DOI
Peter, Markus; Wambach, Georg \(N\)-extendible posets, and how to minimize total weighted completion time. (English) Zbl 0954.05045 Discrete Appl. Math. 99, No. 1-3, 157-167 (2000). MSC: 05C85 06A07 PDFBibTeX XMLCite \textit{M. Peter} and \textit{G. Wambach}, Discrete Appl. Math. 99, No. 1--3, 157--167 (2000; Zbl 0954.05045) Full Text: DOI
Krüger, Ulrich Structural aspects of ordered polymatroids. (English) Zbl 1016.90079 Discrete Appl. Math. 99, No. 1-3, 125-148 (2000). MSC: 90C57 05B35 52B40 90C27 PDFBibTeX XMLCite \textit{U. Krüger}, Discrete Appl. Math. 99, No. 1--3, 125--148 (2000; Zbl 1016.90079) Full Text: DOI
Canfield, E. Rodney; Engel, Konrad An upper bound for the size of the largest antichain in the poset of partitions of an integer. (English) Zbl 0935.06004 Discrete Appl. Math. 95, No. 1-3, 169-180 (1999). Reviewer: P.L.Erdős (Budapest) MSC: 06A07 05A17 PDFBibTeX XMLCite \textit{E. R. Canfield} and \textit{K. Engel}, Discrete Appl. Math. 95, No. 1--3, 169--180 (1999; Zbl 0935.06004) Full Text: DOI
Ahlswede, Rudolf; Zhang, Zhen On maximal shadows of members in left-compressed sets. (English) Zbl 0932.06001 Discrete Appl. Math. 95, No. 1-3, 3-9 (1999). Reviewer: P.L.Erdős (Budapest) MSC: 06A07 05D05 PDFBibTeX XMLCite \textit{R. Ahlswede} and \textit{Z. Zhang}, Discrete Appl. Math. 95, No. 1--3, 3--9 (1999; Zbl 0932.06001) Full Text: DOI
von Arnim, Annelie; Schulz, Andreas S. Facets of the generalized permutahedron of a poset. (English) Zbl 0873.90048 Discrete Appl. Math. 72, No. 1-2, 179-192 (1997). MSC: 90B35 52B12 06A07 PDFBibTeX XMLCite \textit{A. von Arnim} and \textit{A. S. Schulz}, Discrete Appl. Math. 72, No. 1--2, 179--192 (1997; Zbl 0873.90048) Full Text: DOI Link
Schrader, Rainer; Wambach, Georg The setup polyhedron of series-parallel posets. (English) Zbl 0888.06002 Discrete Appl. Math. 79, No. 1-3, 213-221 (1997). MSC: 06A07 52B05 PDFBibTeX XMLCite \textit{R. Schrader} and \textit{G. Wambach}, Discrete Appl. Math. 79, No. 1--3, 213--221 (1997; Zbl 0888.06002) Full Text: DOI Link
Felsner, Stefan; Müller, Rudolf; Wernisch, Lorenz Trapezoid graphs and generalizations, geometry and algorithms. (English) Zbl 0877.68093 Discrete Appl. Math. 74, No. 1, 13-32 (1997). MSC: 68R10 05C62 05C75 05C85 06A07 68U05 68W40 PDFBibTeX XMLCite \textit{S. Felsner} et al., Discrete Appl. Math. 74, No. 1, 13--32 (1997; Zbl 0877.68093) Full Text: DOI Link
Ando, Kazutoshi; Fujishige, Satoru; Nemoto, Toshio Decomposition of a bidirected graph into strongly connected components and its signed poset structure. (English) Zbl 0872.05029 Discrete Appl. Math. 68, No. 3, 237-248 (1996). Reviewer: Z.Gao (Ottawa) MSC: 05C40 05C70 68R10 06A07 05C85 PDFBibTeX XMLCite \textit{K. Ando} et al., Discrete Appl. Math. 68, No. 3, 237--248 (1996; Zbl 0872.05029) Full Text: DOI Link
Yu, Wenci Augmentations of consistent partial orders for the one-machine total tardiness problem. (English) Zbl 0846.90058 Discrete Appl. Math. 68, No. 1-2, 189-202 (1996). MSC: 90B35 06A07 PDFBibTeX XMLCite \textit{W. Yu}, Discrete Appl. Math. 68, No. 1--2, 189--202 (1996; Zbl 0846.90058) Full Text: DOI
Shum, Henry; Trotter, L. E. jun. Cardinality-restricted chains and antichains in partially ordered sets. (English) Zbl 0846.90120 Discrete Appl. Math. 65, No. 1-3, 421-439 (1996). MSC: 90C35 06A07 90C60 PDFBibTeX XMLCite \textit{H. Shum} and \textit{L. E. Trotter jun.}, Discrete Appl. Math. 65, No. 1--3, 421--439 (1996; Zbl 0846.90120) Full Text: DOI
Syslo, Maciej M. On some new types of greedy chains and greedy linear extensions of partially ordered sets. (English) Zbl 0827.06003 Discrete Appl. Math. 60, No. 1-3, 349-358 (1995). Reviewer: J.Neggers (Tuscaloosa) MSC: 06A07 68Q99 PDFBibTeX XMLCite \textit{M. M. Syslo}, Discrete Appl. Math. 60, No. 1--3, 349--358 (1995; Zbl 0827.06003) Full Text: DOI
Penrice, Stephen G. On-line algorithms for ordered sets and comparability graphs. (English) Zbl 0829.90147 Discrete Appl. Math. 60, No. 1-3, 319-329 (1995). MSC: 91A43 06A07 05C15 05C85 PDFBibTeX XMLCite \textit{S. G. Penrice}, Discrete Appl. Math. 60, No. 1--3, 319--329 (1995; Zbl 0829.90147) Full Text: DOI
Langley, Larry J. Irreflexive and reflexive dimension. (English) Zbl 0823.06004 Discrete Appl. Math. 60, No. 1-3, 267-273 (1995). MSC: 06A07 PDFBibTeX XMLCite \textit{L. J. Langley}, Discrete Appl. Math. 60, No. 1--3, 267--273 (1995; Zbl 0823.06004) Full Text: DOI
Langley, Larry J. A recognition algorithm for orders of interval dimension two. (English) Zbl 0823.06003 Discrete Appl. Math. 60, No. 1-3, 257-266 (1995). MSC: 06A07 68R05 68Q25 PDFBibTeX XMLCite \textit{L. J. Langley}, Discrete Appl. Math. 60, No. 1--3, 257--266 (1995; Zbl 0823.06003) Full Text: DOI
Petersson, Ola; Moffat, Alistair A framework for adaptive sorting. (English) Zbl 0827.68032 Discrete Appl. Math. 59, No. 2, 153-179 (1995). MSC: 68P10 06A07 05C85 PDFBibTeX XMLCite \textit{O. Petersson} and \textit{A. Moffat}, Discrete Appl. Math. 59, No. 2, 153--179 (1995; Zbl 0827.68032) Full Text: DOI
Spieker, Boris The set of super-stable marriages forms a distributive lattice. (English) Zbl 0817.06012 Discrete Appl. Math. 58, No. 1, 79-84 (1995). MSC: 06D99 06A07 05C70 PDFBibTeX XMLCite \textit{B. Spieker}, Discrete Appl. Math. 58, No. 1, 79--84 (1995; Zbl 0817.06012) Full Text: DOI
von Arnim, A.; de la Higuera, C. Computing the jump number on semi-orders is polynomial. (English) Zbl 0804.06002 Discrete Appl. Math. 51, No. 1-2, 219-232 (1994). Reviewer: H.Müller (Jena) MSC: 06A07 68Q25 PDFBibTeX XMLCite \textit{A. von Arnim} and \textit{C. de la Higuera}, Discrete Appl. Math. 51, No. 1--2, 219--232 (1994; Zbl 0804.06002) Full Text: DOI
Felsner, Stefan; Gustedt, Jens; Morvan, Michel; Rampon, Jean-Xavier Constructing colorings for diagrams. (English) Zbl 0805.05030 Discrete Appl. Math. 51, No. 1-2, 85-93 (1994). Reviewer: R.C.Entringer (Albuquerque) MSC: 05C15 06A07 68R10 PDFBibTeX XMLCite \textit{S. Felsner} et al., Discrete Appl. Math. 51, No. 1--2, 85--93 (1994; Zbl 0805.05030) Full Text: DOI
Isaak, Garth Bounded discrete representations of interval orders. (English) Zbl 0787.06003 Discrete Appl. Math. 44, No. 1-3, 157-183 (1993). Reviewer: J.Neggers (Tuscaloosa) MSC: 06A07 05C38 90B10 PDFBibTeX XMLCite \textit{G. Isaak}, Discrete Appl. Math. 44, No. 1--3, 157--183 (1993; Zbl 0787.06003) Full Text: DOI
Stanley, Richard P. Some applications of algebra to combinatorics. (English) Zbl 0762.06001 Discrete Appl. Math. 34, No. 1-3, 241-277 (1991). Reviewer: D.Jungnickel (Gießen) MSC: 06-02 05-02 06A07 05A17 05E25 06C05 52B05 13H10 20E15 05D99 PDFBibTeX XMLCite \textit{R. P. Stanley}, Discrete Appl. Math. 34, No. 1--3, 241--277 (1991; Zbl 0762.06001) Full Text: DOI
Butler, Lynne M. Generalized flags in finite abelian \(p\)-groups. (English) Zbl 0768.20008 Discrete Appl. Math. 34, No. 1-3, 67-81 (1991). Reviewer: H.J.Tiersma (Diemen) MSC: 20D30 05A17 20D15 05E05 20K01 06A06 PDFBibTeX XMLCite \textit{L. M. Butler}, Discrete Appl. Math. 34, No. 1--3, 67--81 (1991; Zbl 0768.20008) Full Text: DOI