TY - JOUR AU - A. Yu. Chinilov TI - Solution of the wave equation with an oblique derivative on the boundary JO - Differencialʹnye uravneniâ PY - 1989 SP - 1635 EP - 1637 VL - 25 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1989_25_9_a30/ LA - ru ID - DE_1989_25_9_a30 ER -