TY  - JOUR
AU  - S. A. Golopuz
TI  - The defining boundary conditions and the~degenerate problem for

JO  - Sbornik. Mathematics
PY  - 2003
SP  - 641
EP  - 668
VL  - 194
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2003_194_5_a0/
LA  - en
ID  - SM_2003_194_5_a0
ER  -