TY - JOUR AU - N. L. Vasilevskii AU - A. A. Karelin TI - Investigation of a boundary value problem for a partial differential equation of mixed type by means of reduction to a singular integral equation with a Carleman shift JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1978 SP - 15 EP - 19 IS - 3 UR - http://geodesic.mathdoc.fr/item/IVM_1978_3_a2/ LA - ru ID - IVM_1978_3_a2 ER -