%0 Journal Article
%A Toubassi, E. H.
%T The Group of Extensions and Splitting Length
%J Canadian journal of mathematics
%D 1974
%P 879-883
%V 26
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-082-7/
%R 10.4153/CJM-1974-082-7
%F 10_4153_CJM_1974_082_7