%0 Journal Article
%A Andrzej Derdziński
%T On some condition for a submanifold of Euclidean space to be a sphere
%J Annales Polonici Mathematici
%D 1977
%P 53-61
%V 34
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-34-1-53-61/
%R 10.4064/ap-34-1-53-61
%G en
%F 10_4064_ap_34_1_53_61