TY - JOUR AU - S. A. Sivak AU - M. E. Royak AU - I. M. Stupakov TI - On the application of the fast multipole method to the optimization of the boundary element method for the Helmholtz equation JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2021 SP - 83 EP - 100 VL - 24 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2021_24_3_a6/ LA - ru ID - SJIM_2021_24_3_a6 ER -