TY  - JOUR
AU  - C. Ruiz Salguero
AU  - R. Ruiz
TI  - Kann fibrations which are homomorphisms of simplicial groups
JO  - Revista colombiana de matematicas
PY  - 1973
SP  - 23
EP  - 44
VL  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RCM_1973__7_181598/
ID  - RCM_1973__7_181598
ER  -