TY - JOUR AU - P. A. Krutitskii TI - On the Riemann--Hilbert problem and the oblique derivative problem at the plane with sections along the circumference JO - Matematičeskoe modelirovanie PY - 1990 SP - 114 EP - 123 VL - 2 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM_1990_2_9_a9/ LA - ru ID - MM_1990_2_9_a9 ER -