TY  - JOUR
AU  - A. S. Faradzhev
TI  - A problem with an oblique derivative
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1985
SP  - 83
EP  - 85
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1985_2_a20/
LA  - ru
ID  - VMUMM_1985_2_a20
ER  -