TY - JOUR AU - V. A. Nogin AU - B. S. Rubin TI - Estimates for potentials with oscillating kernels that are connected with the Helmholtz equation JO - Differencialʹnye uravneniâ PY - 1990 SP - 1608 EP - 1613 VL - 26 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1990_26_9_a16/ LA - ru ID - DE_1990_26_9_a16 ER -