TY  - JOUR
AU  - Ryszard Deszcz
AU  - Wiesław Grycak
TI  - On manifolds satisfying some curvature conditions
JO  - Colloquium Mathematicum
PY  - 1989
SP  - 89
EP  - 92
VL  - 57
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-57-1-89-92/
DO  - 10.4064/cm-57-1-89-92
LA  - en
ID  - 10_4064_cm_57_1_89_92
ER  -