%0 Journal Article %A Friedler, Louis %T Open, Connected Functions %J Canadian mathematical bulletin %D 1973 %P 57-60 %V 16 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-012-9/ %R 10.4153/CMB-1973-012-9 %F 10_4153_CMB_1973_012_9