%0 Journal Article %A S. Rolewicz %T A generalization of the Mazur-Ulam theorem %J Studia Mathematica %D 1968 %P 501-505 %V 31 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-31-5-501-505/ %R 10.4064/sm-31-5-501-505 %G en %F 10_4064_sm_31_5_501_505