%0 Journal Article
%A Stefan Heinrich
%T The isomorphic problem of envelopes
%J Studia Mathematica
%D 1982
%P 41-49
%V 73
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-73-1-41-49/
%R 10.4064/sm-73-1-41-49
%G en
%F 10_4064_sm_73_1_41_49