@article{CMUC_1963__4_3_a5,
     author = {Pt\'ak, Vlastimil},
     title = {An extension theorem for separately continuous functions and its application to functional analysis},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {109--116},
     publisher = {mathdoc},
     volume = {04},
     number = {3},
     year = {1963},
     mrnumber = {0166599},
     zbl = {0144.17001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1963__4_3_a5/}
}