%0 Journal Article %A Hou, Hsiang-Dah %T Quasi-Splitting Exact Sequence %J Canadian journal of mathematics %D 1971 %P 503-506 %V 23 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-053-9/ %R 10.4153/CJM-1971-053-9 %F 10_4153_CJM_1971_053_9