TY - JOUR AU - E. I. Romenskiǐ AU - A. D. Sadykov TI - On modelling the frequency transformation effect in elastic waves JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2010 SP - 117 EP - 125 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2010_13_3_a13/ LA - ru ID - SJIM_2010_13_3_a13 ER -