\RBibitem{Kal92} \by Л.~А.~Калякин \paper Возмущение солитона Кортевега--де~Фриза \jour ТМФ \yr 1992 \vol 92 \issue 1 \pages 62--76 \mathnet{http://mi.mathnet.ru/tmf5661} \mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=1256714} \zmath{https://zbmath.org/?q=an:0787.35095|0761.35097} \transl \jour Theoret. and Math. Phys. \yr 1992 \vol 92 \issue 1 \pages 736--747 \crossref{https://doi.org/10.1007/BF01018701} \isi{https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=Publons&SrcAuth=Publons_CEL&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=A1992KX55000005}