TY - JOUR AU - A. I. Kozhanov AU - N. N. Shadrina TI - Boundary value problems with conjugation conditions for quasi-parabolic equations of the third order with a discontinuous sign--variable coefficient JO - Sibirskie èlektronnye matematičeskie izvestiâ PY - 2021 SP - 599 EP - 616 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SEMR_2021_18_1_a32/ LA - en ID - SEMR_2021_18_1_a32 ER -