TY  - JOUR
AU  - Mejía, Israel Moreno
TI  - On the Image of Certain Extension Maps. I
JO  - Canadian mathematical bulletin
PY  - 2007
SP  - 427
EP  - 433
VL  - 50
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2007-041-0/
DO  - 10.4153/CMB-2007-041-0
ID  - 10_4153_CMB_2007_041_0
ER  -