TY  - JOUR
AU  - V. N. Abdullin
TI  - A classification of the four-dimensional Riemannian spaces that admit fields of covariantly constant bivectors
JO  - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki
PY  - 1970
SP  - 5
EP  - 21
VL  - 129
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZKU_1970_129_6_a1/
LA  - ru
ID  - UZKU_1970_129_6_a1
ER  -