TY - JOUR AU - S. P. Lavrenyuk TI - A mixed problem for an equation of plate-oscillation type that is degenerate at a finite moment of time JO - Differencialʹnye uravneniâ PY - 1991 SP - 2099 EP - 2106 VL - 27 IS - 12 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1991_27_12_a10/ LA - ru ID - DE_1991_27_12_a10 ER -