@article{10_21136_CMJ_1964_100639,
     author = {Nov\'ak, Josef},
     title = {On some problems concerning multivalued convergences},
     journal = {Czechoslovak Mathematical Journal},
     pages = {548--561},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {1964},
     doi = {10.21136/CMJ.1964.100639},
     mrnumber = {0176439},
     zbl = {0127.38504},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1964.100639/}
}