TY  - JOUR
AU  - L. V. Ten
TI  - Rigidity of complete surfaces of negative curvature that coincide with a~hyperbolic paraboloid outside a~compact region
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1980
SP  - 111
EP  - 112
VL  - 35
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1980_35_6_a18/
LA  - en
ID  - RM_1980_35_6_a18
ER  -