TY  - JOUR
AU  - V. Yu. Rovenskiǐ
TI  - Decomposition of ruled and parabolic surfaces
JO  - Doklady Akademii Nauk
PY  - 1989
SP  - 1049
EP  - 1051
VL  - 305
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1989_305_5_a5/
LA  - ru
ID  - DAN_1989_305_5_a5
ER  -