TY - JOUR AU - G. D. Karatoprakliev TI - On the uniqueness of the solution of some boundary value problems for equations of mixed type and for hyperbolic equations in $m$-dimensional space JO - Differencialʹnye uravneniâ PY - 1982 SP - 59 EP - 63 VL - 18 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1982_18_1_a5/ LA - ru ID - DE_1982_18_1_a5 ER -