%0 Journal Article %A Yu. N. Karamzin %T Difference schemes for the computation of three-frequency interactions of quasimonochromatic waves with allowance made for diffraction %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1975 %P 429-435 %V 15 %N 2 %U http://geodesic.mathdoc.fr/item/ZVMMF_1975_15_2_a13/ %G ru %F ZVMMF_1975_15_2_a13