TY - JOUR AU - T. P. Dubova TI - The operator of harmonic conjugation in plane domains with piece-wise smooth boundary JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1972 SP - 34 EP - 40 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1972_8_a4/ LA - ru ID - IVM_1972_8_a4 ER -