%0 Journal Article %A P. I. Naumkin %A I. A. Shishmarev %T Asymptotic behaviour as $t\to \infty$ of the~solutions of the~generalized Korteweg--de~Vries equation %J Sbornik. Mathematics %D 1996 %P 693-733 %V 187 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1996_187_5_a4/ %G en %F SM_1996_187_5_a4