TY  - JOUR
AU  - L. I. Kamynin
AU  - B. N. Khimchenko
TI  - On local estimates near the boundary of solutions of a~second order equation with nonnegative characteristic form
JO  - Sbornik. Mathematics
PY  - 1978
SP  - 715
EP  - 735
VL  - 34
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1978_34_6_a2/
LA  - en
ID  - SM_1978_34_6_a2
ER  -