TY  - JOUR
AU  - L. I. Vorob'eva
TI  - Estimate of the upper bound on the Gaussian curvature of certain surfaces with boundary
JO  - Matematičeskie zametki
PY  - 1976
SP  - 113
EP  - 120
VL  - 20
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1976_20_1_a11/
LA  - ru
ID  - MZM_1976_20_1_a11
ER  -