TY - JOUR AU - R. Z. Khas'minskii TI - Diffusion Processes and Elliptic Differential Equations Degenerating at the Boundary of the Domain JO - Teoriâ veroâtnostej i ee primeneniâ PY - 1958 SP - 430 EP - 451 VL - 3 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TVP_1958_3_4_a4/ LA - ru ID - TVP_1958_3_4_a4 ER -