TY - JOUR AU - I. G. Beluhina TI - Point-source functions for the Laplace difference operator in the angle $5\pi/4$ JO - Differencialʹnye uravneniâ PY - 1997 SP - 914 EP - 922 VL - 33 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1997_33_7_a6/ LA - ru ID - DE_1997_33_7_a6 ER -