Grätzer, G.; Hajnal, A. On isotone maps on a countable lattice. (English) Zbl 0964.06002 Algebra Univers. 41, No. 1, 85-86 (1999). Reviewer: Ivan Chajda (Olomouc) MSC: 06B05 PDFBibTeX XMLCite \textit{G. Grätzer} and \textit{A. Hajnal}, Algebra Univers. 41, No. 1, 85--86 (1999; Zbl 0964.06002) Full Text: DOI
Hajnal, András; Juhász, István; Szentmiklóssy, Zoltán On CCC Boolean algebras and partial orders. (English) Zbl 0938.06001 Commentat. Math. Univ. Carol. 38, No. 3, 537-544 (1997). Reviewer: Václav Koubek (Praha) MSC: 06A07 06E10 03E05 05C69 PDFBibTeX XMLCite \textit{A. Hajnal} et al., Commentat. Math. Univ. Carol. 38, No. 3, 537--544 (1997; Zbl 0938.06001) Full Text: EuDML
Aharoni, R.; Hajnal, A.; Milner, E. C. Interval covers of a linearly ordered set. (English) Zbl 0834.06002 Bartoszyński, Tomek (ed.) et al., Set theory. Annual Boise extravaganza in set theory (BEST) conference, 1992/1994, Boise State University, Boise, ID, USA. Providence, RI: American Mathematical Society. Contemp. Math. 192, 1-13 (1996). MSC: 06A05 PDFBibTeX XMLCite \textit{R. Aharoni} et al., Contemp. Math. 192, 1--13 (1996; Zbl 0834.06002)
Hajnal, András; Sauer, N. Cut-sets in infinite graphs and partial orders. (English) Zbl 0781.06005 Discrete Math. 117, No. 1-3, 113-125 (1993). Reviewer: K.Engel (Rostock) MSC: 06A07 05C35 03E05 PDFBibTeX XMLCite \textit{A. Hajnal} and \textit{N. Sauer}, Discrete Math. 117, No. 1--3, 113--125 (1993; Zbl 0781.06005) Full Text: DOI
Hajnal, András; Sauer, N. Complete subgraphs of infinite multipartite graphs and antichains in partially ordered sets. (English) Zbl 0655.05002 Discrete Math. 59, 61-67 (1986). MSC: 05A05 03E10 06A06 PDFBibTeX XMLCite \textit{A. Hajnal} and \textit{N. Sauer}, Discrete Math. 59, 61--67 (1986; Zbl 0655.05002) Full Text: DOI
Grätzer, G.; Hajnal, András; Kelly, D. Chain conditions in free products of lattices with infinitary operations. (English) Zbl 0387.06006 Pac. J. Math. 83, 107-115 (1979). MSC: 06B20 06E10 06B25 PDFBibTeX XMLCite \textit{G. Grätzer} et al., Pac. J. Math. 83, 107--115 (1979; Zbl 0387.06006) Full Text: DOI
Hajnal, András; Milner, E. C. Some theorems for scattered ordered sets. (English) Zbl 0263.06001 Period. Math. Hung. 1, 81-92 (1971). MSC: 06A05 03E10 PDFBibTeX XMLCite \textit{A. Hajnal} and \textit{E. C. Milner}, Period. Math. Hung. 1, 81--92 (1971; Zbl 0263.06001) Full Text: DOI