TY - JOUR AU - G. F. Maslennikova TI - Asymptotics of the solution of the Neumann problem for the Helmholtz operator in the exterior of a thin body of revolution JO - Differencialʹnye uravneniâ PY - 1985 SP - 1635 EP - 1638 VL - 21 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_9_a28/ LA - ru ID - DE_1985_21_9_a28 ER -