Hajnal, A.; Juhász, I.; Szentmiklóssy, Z.:
On CCC boolean algebras and partial orders.
(English).Commentationes Mathematicae Universitatis Carolinae,
vol. 38
(1997),
issue 3,
pp. 537-544
Hajnal, A.: On Pixley-Roy hyperspaces.
(English).
In:
Frolík, Zdeněk (ed.): Abstracta. 9th Winter School on Abstract Analysis.
Czechoslovak Academy of Sciences, Praha, 1981.
pp. 69
Hajnal, A.: On the Ramsey-Turán number of finite graphs.
(English).
In:
Frolík, Zdeněk (ed.): Abstracta. 9th Winter School on Abstract Analysis.
Czechoslovak Academy of Sciences, Praha, 1981.
pp. 68
Hajnal, A.; Voigt, Bernd; Lehel, Jenö; Gavalec, Martin; Recski, András; Galvin, Fred: Problems.
(English).
In:
Frolík, Zdeněk (ed.): Abstracta. 9th Winter School on Abstract Analysis.
Czechoslovak Academy of Sciences, Praha, 1981.
pp. 195-202
Erdös, P.; Hajnal, A.: On the topological product of discrete $\lambda$-compact spaces.
(English).
In:
General Topology and its Relations to Modern Analysis and Algebra.
Proceedings of the symposium held in Prague in September 1961.
Academia Publishing House of the Czechoslovak Academy of Sciences, Prague, 1962.
pp. [148]-151
