TY  - JOUR
AU  - N. M. Ivochkina
AU  - O. A. Ladyzhenskaya
TI  - Estimation of the second derivatives on the boundary for surfaces evolving under the action of their principal curvatures
JO  - Algebra i analiz
PY  - 1997
SP  - 30
EP  - 50
VL  - 9
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_1997_9_2_a1/
LA  - ru
ID  - AA_1997_9_2_a1
ER  -