TY - JOUR AU - N. J. Yurchuk AU - Al-Momani Raid Rasheed TI - A classical solution, weakened on the axis, of the centrally symmetric mixed problem for three-dimensional hyperbolic equations of even order JO - Differencialʹnye uravneniâ PY - 1998 SP - 260 EP - 265 VL - 34 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1998_34_2_a16/ LA - ru ID - DE_1998_34_2_a16 ER -