@article{DE_1993_29_6_a12, author = {L. A. Kalyakin}, title = {Asymptotics of a double integral of {Fourier} type in the theory of soliton perturbation}, journal = {Differencialʹnye uravneni\^a}, pages = {1010--1024}, publisher = {mathdoc}, volume = {29}, number = {6}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1993_29_6_a12/} }