%0 Journal Article %A E. I. Romenskiǐ %A A. D. Sadykov %T On modelling the frequency transformation effect in elastic waves %J Sibirskij žurnal industrialʹnoj matematiki %D 2010 %P 117-125 %V 13 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2010_13_3_a13/ %G ru %F SJIM_2010_13_3_a13