TY - JOUR AU - V. F. Butuzov TI - Asymptotic behavior of the solution of the equation $\mu^2\Delta u-k^2(x,y)u=f(x,y)$ in a rectangular domain JO - Differencialʹnye uravneniâ PY - 1973 SP - 1654 EP - 1660 VL - 9 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1973_9_9_a10/ LA - ru ID - DE_1973_9_9_a10 ER -