%0 Journal Article %A S. A. Sivak %A M. E. Royak %A I. M. Stupakov %T On the application of the fast multipole method to the optimization of the boundary element method for the Helmholtz equation %J Sibirskij žurnal industrialʹnoj matematiki %D 2021 %P 83-100 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2021_24_3_a6/ %G ru %F SJIM_2021_24_3_a6