@incollection{MSMF_1972__31-32__327_0,
     author = {Rolewicz, Stefan},
     title = {Open problems in theory of metric linear spaces},
     booktitle = {Colloque d'analyse fonctionnelle (Bordeaux, 1971)},
     series = {M\'emoires de la Soci\'et\'e Math\'ematique de France},
     pages = {327--334},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {31-32},
     year = {1972},
     doi = {10.24033/msmf.97},
     mrnumber = {51 #13623},
     zbl = {0244.46011},
     url = {http://archive.numdam.org/articles/10.24033/msmf.97/}
}