@article{10_21136_CMJ_1975_101343,
     author = {\v{S}id\'ak, Zbyn\v{e}k},
     title = {News and {Notices.} {Jaroslav} {H\'ajek,} 1926--1974},
     journal = {Czechoslovak Mathematical Journal},
     pages = {491--502},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {1975},
     doi = {10.21136/CMJ.1975.101343},
     mrnumber = {0369008},
     zbl = {0332.01010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1975.101343/}
}