@article{10_21136_CMJ_1985_102043,
     author = {Vrbov\'a, Pavla},
     title = {Sixty years of {Professor} {Vlastimil} {Pt\'ak}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {662--670},
     publisher = {mathdoc},
     volume = {35},
     number = {4},
     year = {1985},
     doi = {10.21136/CMJ.1985.102043},
     mrnumber = {809048},
     zbl = {0583.01013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1985.102043/}
}