@article{BSMF_1958__86__41_0,
     author = {Pt\'ak, Vlastimil},
     title = {Completeness and the open mapping theorem},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {41--74},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {86},
     year = {1958},
     doi = {10.24033/bsmf.1498},
     mrnumber = {21 #4345},
     zbl = {0082.32502},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/bsmf.1498/}
}