TY - JOUR AU - P. A. Krutitskii TI - On the equivalence of the oblique derivative problem and the Riemann--Hilbert problem JO - Differencialʹnye uravneniâ PY - 1992 SP - 856 EP - 867 VL - 28 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1992_28_5_a15/ LA - ru ID - DE_1992_28_5_a15 ER -