@article{CMJ_2000_50_2_a17,
     author = {Fiedler, Miroslav and M\"uller, Vladim{\'\i}r},
     title = {Professor {Vlastimil} {Pt\'ak} died},
     journal = {Czechoslovak Mathematical Journal},
     pages = {445--447},
     year = {2000},
     volume = {50},
     number = {2},
     mrnumber = {1761400},
     zbl = {1055.01514},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2000_50_2_a17/}
}