TY  - JOUR
AU  - Ault, Janet E.
TI  - Extensions of One Primitive Inverse Semigroup by Another
JO  - Canadian journal of mathematics
PY  - 1972
SP  - 270
EP  - 278
VL  - 24
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-021-0/
DO  - 10.4153/CJM-1972-021-0
ID  - 10_4153_CJM_1972_021_0
ER  -