%0 Journal Article %A Šidák, Zbyněk %T News and Notices. Jaroslav Hájek, 1926--1974 %J Czechoslovak Mathematical Journal %D 1975 %P 491-502 %V 25 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1975.101343/ %R 10.21136/CMJ.1975.101343 %G en %F 10_21136_CMJ_1975_101343