TY  - JOUR
AU  - A. A. Borisenko
TI  - On extremal properties of compact parabolic surfaces in a Riemannian space
JO  - Sbornik. Mathematics
PY  - 1988
SP  - 113
EP  - 127
VL  - 61
IS  - 1
UR  - http://geodesic.mathdoc.fr/item/SM_1988_61_1_a7/
LA  - en
ID  - SM_1988_61_1_a7
ER  -