TY  - JOUR
AU  - Petar Popivanov
AU  - Nickolai Kutev
TI  - Viscosity solutions to the degenerate oblique derivative problem for fully nonlinear elliptic equations
JO  - Comptes Rendus. Mathématique
PY  - 2002
SP  - 661
EP  - 666
VL  - 334
IS  - 8
PB  - Elsevier
DO  - 10.1016/S1631-073X(02)02321-X
LA  - en
ID  - CRMATH_2002__334_8_661_0
ER  -