TY  - JOUR
AU  - A. P. Karmazin
TI  - Parabolicity and Hyperbolicity Conditions for Boundary Elements of Surfaces
JO  - Matematičeskie zametki
PY  - 2001
SP  - 948
EP  - 951
VL  - 70
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2001_70_6_a12/
LA  - ru
ID  - MZM_2001_70_6_a12
ER  -