TY  - JOUR
AU  - Meisen, Jeanne
TI  - Pullbacks in Regular Categories
JO  - Canadian mathematical bulletin
PY  - 1973
SP  - 251
EP  - 255
VL  - 16
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-043-5/
DO  - 10.4153/CMB-1973-043-5
ID  - 10_4153_CMB_1973_043_5
ER  -