Pascu, Anca; Paun, Gheorghe On the planarity of bicolored digraph grammar systems. (English) Zbl 0437.05024 Discrete Math. 25, 195-197 (1979). MSC: 05C20 05C10 05C15 68Q45 PDF BibTeX XML Cite \textit{A. Pascu} and \textit{G. Paun}, Discrete Math. 25, 195--197 (1979; Zbl 0437.05024) Full Text: DOI OpenURL
Gondran, M. Les éléments p-réguliers dans les dioides. (French) Zbl 0425.20056 Discrete Math. 25, 33-39 (1979). MSC: 20M99 05C38 90B99 PDF BibTeX XML Cite \textit{M. Gondran}, Discrete Math. 25, 33--39 (1979; Zbl 0425.20056) Full Text: DOI OpenURL
Rabinovitch, I.; Rival, I. The rank of a distributive lattice. (English) Zbl 0421.06012 Discrete Math. 25, 275-279 (1979). MSC: 06D05 06A06 PDF BibTeX XML Cite \textit{I. Rabinovitch} and \textit{I. Rival}, Discrete Math. 25, 275--279 (1979; Zbl 0421.06012) Full Text: DOI OpenURL
Nishizeki, Takao On the relationship between the genus and the cardinality of the maximum matchings of a graph. (English) Zbl 0418.05033 Discrete Math. 25, 149-156 (1979). MSC: 05C35 05C10 05C99 PDF BibTeX XML Cite \textit{T. Nishizeki}, Discrete Math. 25, 149--156 (1979; Zbl 0418.05033) Full Text: DOI OpenURL
Koh, K. M.; Tan, T.; Rogers, D. G. Two theorems on graceful trees. (English) Zbl 0414.05019 Discrete Math. 25, 141-148 (1979). MSC: 05C05 PDF BibTeX XML Cite \textit{K. M. Koh} et al., Discrete Math. 25, 141--148 (1979; Zbl 0414.05019) Full Text: DOI OpenURL
Calude, Cristian; Cazanescu, Virgil Emil On topologies generated by Moisil resemblance relations. (English) Zbl 0412.54010 Discrete Math. 25, 109-115 (1979). MSC: 54B30 18B30 18D15 54A05 PDF BibTeX XML Cite \textit{C. Calude} and \textit{V. E. Cazanescu}, Discrete Math. 25, 109--115 (1979; Zbl 0412.54010) Full Text: DOI OpenURL
Blair, C. E.; Jeroslow, R. G. The value function of a mixed integer program. II. (English) Zbl 0408.90055 Discrete Math. 25, 7-19 (1979). MSC: 90C10 90C11 PDF BibTeX XML Cite \textit{C. E. Blair} and \textit{R. G. Jeroslow}, Discrete Math. 25, 7--19 (1979; Zbl 0408.90055) Full Text: DOI OpenURL
Assous, R.; Pouzet, M. Une caractérisation des mots périodiques. (French) Zbl 0407.68087 Discrete Math. 25, 1-5 (1979). MSC: 68T99 PDF BibTeX XML Cite \textit{R. Assous} and \textit{M. Pouzet}, Discrete Math. 25, 1--5 (1979; Zbl 0407.68087) Full Text: DOI OpenURL
Borodin, O. V. On acyclic colorings of planar graphs. (English) Zbl 0406.05031 Discrete Math. 25, 211-236 (1979). MSC: 05C15 05C10 PDF BibTeX XML Cite \textit{O. V. Borodin}, Discrete Math. 25, 211--236 (1979; Zbl 0406.05031) Full Text: DOI OpenURL
Edelman, Paul H. On a fixed point theorem for partially ordered sets. (English) Zbl 0404.06001 Discrete Math. 25, 117-119 (1979). MSC: 06A06 PDF BibTeX XML Cite \textit{P. H. Edelman}, Discrete Math. 25, 117--119 (1979; Zbl 0404.06001) Full Text: DOI OpenURL
Farley, Arthur; Hedetniemi, Stephen; Mitchell, Sandra; Proskurowski, Andrzej Minimum broadcast graphs. (English) Zbl 0404.05038 Discrete Math. 25, 189-193 (1979). MSC: 05C35 05C99 PDF BibTeX XML Cite \textit{A. Farley} et al., Discrete Math. 25, 189--193 (1979; Zbl 0404.05038) Full Text: DOI OpenURL
Andersen, Lars Dovling Lower bounds on the cover-index of a graph. (English) Zbl 0403.05039 Discrete Math. 25, 199-210 (1979). MSC: 05C15 05C35 PDF BibTeX XML Cite \textit{L. D. Andersen}, Discrete Math. 25, 199--210 (1979; Zbl 0403.05039) Full Text: DOI OpenURL
Bollobas, Bela; Thomason, Andrew Set colourings of graphs. (English) Zbl 0403.05038 Discrete Math. 25, 21-26 (1979). Reviewer: L. Lovász MSC: 05C15 PDF BibTeX XML Cite \textit{B. Bollobas} and \textit{A. Thomason}, Discrete Math. 25, 21--26 (1979; Zbl 0403.05038) Full Text: DOI OpenURL
Strommer, Thomas O. The number of lines determined by a polygon. (English) Zbl 0403.05021 Discrete Math. 25, 75-84 (1979). MSC: 05B30 05A99 PDF BibTeX XML Cite \textit{T. O. Strommer}, Discrete Math. 25, 75--84 (1979; Zbl 0403.05021) Full Text: DOI OpenURL
McCarthy, David; Vanstone, S. A. On the structure of regular pairwise balanced designs. (English) Zbl 0403.05013 Discrete Math. 25, 237-244 (1979). MSC: 05B05 PDF BibTeX XML Cite \textit{D. McCarthy} and \textit{S. A. Vanstone}, Discrete Math. 25, 237--244 (1979; Zbl 0403.05013) Full Text: DOI OpenURL
Ramachandran, S. A test for legitimate decks. (English) Zbl 0402.05051 Discrete Math. 25, 165-173 (1979). MSC: 05C60 PDF BibTeX XML Cite \textit{S. Ramachandran}, Discrete Math. 25, 165--173 (1979; Zbl 0402.05051) Full Text: DOI OpenURL
Tomescu, Ioan Le nombre minimal de colorations d’un hypergraphe k-chromatique. (French) Zbl 0402.05044 Discrete Math. 25, 179-188 (1979). MSC: 05C35 05C15 05C65 PDF BibTeX XML Cite \textit{I. Tomescu}, Discrete Math. 25, 179--188 (1979; Zbl 0402.05044) Full Text: DOI OpenURL
Alspach, Brian; Parsons, T. D. Isomorphism of circulant graphs and digraphs. (English) Zbl 0402.05038 Discrete Math. 25, 97-108 (1979). MSC: 05C25 20B25 05C20 PDF BibTeX XML Cite \textit{B. Alspach} and \textit{T. D. Parsons}, Discrete Math. 25, 97--108 (1979; Zbl 0402.05038) Full Text: DOI OpenURL
Grassl, R. M.; Hillman, A. P. Functions on tableau frames. (English) Zbl 0402.05006 Discrete Math. 25, 245-255 (1979). MSC: 05A15 PDF BibTeX XML Cite \textit{R. M. Grassl} and \textit{A. P. Hillman}, Discrete Math. 25, 245--255 (1979; Zbl 0402.05006) Full Text: DOI OpenURL
Guenoche, A. Enumeration des tableaux Standards. (French) Zbl 0402.05005 Discrete Math. 25, 257-267 (1979). MSC: 05A15 PDF BibTeX XML Cite \textit{A. Guenoche}, Discrete Math. 25, 257--267 (1979; Zbl 0402.05005) Full Text: DOI OpenURL
Farrell, E. J. On a class of polynomials obtained from the circuits in a graph and its application to characteristic polynomials of graphs. (English) Zbl 0401.05057 Discrete Math. 25, 121-133 (1979). MSC: 05C38 PDF BibTeX XML Cite \textit{E. J. Farrell}, Discrete Math. 25, 121--133 (1979; Zbl 0401.05057) Full Text: DOI OpenURL
Purdy, G. B. Triangles in arrangements of lines. (English) Zbl 0401.05036 Discrete Math. 25, 157-163 (1979). MSC: 05B45 05A20 05B25 PDF BibTeX XML Cite \textit{G. B. Purdy}, Discrete Math. 25, 157--163 (1979; Zbl 0401.05036) Full Text: DOI OpenURL
Hofbauer, Josef A short proof of the Lagrange-Good formula. (English) Zbl 0401.05014 Discrete Math. 25, 135-139 (1979). MSC: 05A19 32A05 PDF BibTeX XML Cite \textit{J. Hofbauer}, Discrete Math. 25, 135--139 (1979; Zbl 0401.05014) Full Text: DOI OpenURL
Shearer, J. A property of the colored complete graph. (English) Zbl 0397.05024 Discrete Math. 25, 175-178 (1979). MSC: 05C15 05C38 PDF BibTeX XML Cite \textit{J. Shearer}, Discrete Math. 25, 175--178 (1979; Zbl 0397.05024) Full Text: DOI OpenURL
Chvatal, V. The tail of the hypergeometric distribution. (English) Zbl 0396.60016 Discrete Math. 25, 285-287 (1979). MSC: 60E05 60E99 PDF BibTeX XML Cite \textit{V. Chvatal}, Discrete Math. 25, 285--287 (1979; Zbl 0396.60016) Full Text: DOI OpenURL
Mulder, H. M.; Schrijver, A. Median graphs and Helly hypergraphs. (English) Zbl 0395.05058 Discrete Math. 25, 41-50 (1979). MSC: 05C99 05C65 PDF BibTeX XML Cite \textit{H. M. Mulder} and \textit{A. Schrijver}, Discrete Math. 25, 41--50 (1979; Zbl 0395.05058) Full Text: DOI OpenURL
Oxley, James G. On cographic regular matroids. (English) Zbl 0395.05022 Discrete Math. 25, 89-90 (1979). MSC: 05B35 05C99 PDF BibTeX XML Cite \textit{J. G. Oxley}, Discrete Math. 25, 89--90 (1979; Zbl 0395.05022) Full Text: DOI OpenURL
Pretzel, Oliver Another proof of Dilworth’s decomposition theorem. (English) Zbl 0395.05001 Discrete Math. 25, 91-92 (1979). Reviewer: Oliver Pretzel MSC: 05A05 06A06 05B40 PDF BibTeX XML Cite \textit{O. Pretzel}, Discrete Math. 25, 91--92 (1979; Zbl 0395.05001) Full Text: DOI OpenURL
Pascu, Anca; Paun, Gheorghe On the planarity of bicolored digraph grammar systems. (English) Zbl 0394.68053 Discrete Math. 25, 195-197 (1979). MSC: 68Q45 05C10 05C15 05C20 PDF BibTeX XML Cite \textit{A. Pascu} and \textit{G. Paun}, Discrete Math. 25, 195--197 (1979; Zbl 0394.68053) Full Text: DOI OpenURL
Abbott, H. L.; Liu, A. C. Bounds for the covering number of a graph. (English) Zbl 0393.05032 Discrete Math. 25, 281-284 (1979). MSC: 05C35 05C99 05B40 PDF BibTeX XML Cite \textit{H. L. Abbott} and \textit{A. C. Liu}, Discrete Math. 25, 281--284 (1979; Zbl 0393.05032) Full Text: DOI OpenURL
Lorimer, Peter Maximal sets of permutations constructed from projective planes. (English) Zbl 0393.05019 Discrete Math. 25, 269-273 (1979). MSC: 05B25 05A05 PDF BibTeX XML Cite \textit{P. Lorimer}, Discrete Math. 25, 269--273 (1979; Zbl 0393.05019) Full Text: DOI OpenURL
Eplett, W. J. R. A note about the Catalan triangle. (English) Zbl 0393.05014 Discrete Math. 25, 289-291 (1979). MSC: 05A19 05A15 11B39 05C38 PDF BibTeX XML Cite \textit{W. J. R. Eplett}, Discrete Math. 25, 289--291 (1979; Zbl 0393.05014) Full Text: DOI OpenURL
Nijholt, A. A left part theorem for grammatical trees. (English) Zbl 0392.68061 Discrete Math. 25, 51-63 (1979). MSC: 68Q45 05C05 PDF BibTeX XML Cite \textit{A. Nijholt}, Discrete Math. 25, 51--63 (1979; Zbl 0392.68061) Full Text: DOI OpenURL
Feinberg, Robert B. The circular dimension of a graph. (English) Zbl 0392.05057 Discrete Math. 25, 27-31 (1979). MSC: 05C99 05C38 PDF BibTeX XML Cite \textit{R. B. Feinberg}, Discrete Math. 25, 27--31 (1979; Zbl 0392.05057) Full Text: DOI OpenURL
Abbott, Harvey; Katchalski, Meir A Turan type problem for interval graphs. (English) Zbl 0391.05033 Discrete Math. 25, 85-88 (1979). MSC: 05C35 05C99 PDF BibTeX XML Cite \textit{H. Abbott} and \textit{M. Katchalski}, Discrete Math. 25, 85--88 (1979; Zbl 0391.05033) Full Text: DOI OpenURL
Slater, Peter J. Path coverings of the vertices of a tree. (English) Zbl 0391.05020 Discrete Math. 25, 65-74 (1979). MSC: 05C05 05C38 05B40 PDF BibTeX XML Cite \textit{P. J. Slater}, Discrete Math. 25, 65--74 (1979; Zbl 0391.05020) Full Text: DOI OpenURL
Wormald, N.; Wright, E. M. The exponential generating function of labelled blocks. (English) Zbl 0367.05043 Discrete Math. 25, 93-96 (1979). MSC: 05C30 05A15 05C99 PDF BibTeX XML Cite \textit{N. Wormald} and \textit{E. M. Wright}, Discrete Math. 25, 93--96 (1979; Zbl 0367.05043) Full Text: DOI OpenURL