TY - JOUR AU - V. V. Sitnik TI - A forestry influence on an acoustical perturbance propagation JO - Matematičeskoe modelirovanie PY - 2007 SP - 90 EP - 96 VL - 19 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM_2007_19_8_a10/ LA - ru ID - MM_2007_19_8_a10 ER -