@article{10_21136_CMJ_1964_100640,
     author = {Pt\'ak, Vlastimil},
     title = {An extension theorem for separately continuous functions and its application to functional analysis},
     journal = {Czechoslovak Mathematical Journal},
     pages = {562--581},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {1964},
     doi = {10.21136/CMJ.1964.100640},
     mrnumber = {0172108},
     zbl = {0146.36303},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1964.100640/}
}