TY - JOUR AU - È. N. Bereslavskii TI - Solution of a~problem of filtration of fluids of different density by the method of conformal mapping of circular polygons JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1984 SP - 56 EP - 58 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1984_2_a9/ LA - ru ID - IVM_1984_2_a9 ER -