%0 Journal Article %A A. V. Dymov %T Asymptotic expansions for a~class of singular integrals emerging in nonlinear wave systems %J Teoretičeskaâ i matematičeskaâ fizika %D 2023 %P 179-197 %V 214 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2023_214_2_a0/ %G ru %F TMF_2023_214_2_a0