TY  - JOUR
AU  - Toubassi, E. H.
TI  - The Group of Extensions and Splitting Length
JO  - Canadian journal of mathematics
PY  - 1974
SP  - 879
EP  - 883
VL  - 26
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1974-082-7/
DO  - 10.4153/CJM-1974-082-7
ID  - 10_4153_CJM_1974_082_7
ER  -