TY - JOUR AU - Yu. A. Eremin AU - N. V. Orlov TI - Quasisolution of the problems of acoustical waves difraction on the fine 3-dimensional screens JO - Matematičeskoe modelirovanie PY - 1990 SP - 102 EP - 109 VL - 2 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM_1990_2_6_a10/ LA - ru ID - MM_1990_2_6_a10 ER -