TY - JOUR AU - A. A. Gimaltdinova AU - K. V. Kurman TI - Boundary problem for Lavrent'ev--Bitsadze equation with two internal lines of change of a~type JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2016 SP - 23 EP - 37 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2016_3_a2/ LA - ru ID - IVM_2016_3_a2 ER -