TY - JOUR AU - V. K. Natalevich TI - Non-linear singular integral equations and non-linear boundary problems of the theory of analytic functions JO - Učënye zapiski Kazanskogo universiteta. Seriâ Fiziko-matematičeskie nauki PY - 1952 SP - 155 EP - 190 VL - 112 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZKU_1952_112_10_a12/ LA - ru ID - UZKU_1952_112_10_a12 ER -