%0 Journal Article
%A S. S. Lapushkin
%T Particle-like excitations in the $X$--$Y$ model with external action of impulse type
%J Doklady Akademii Nauk
%D 1990
%P 63-65
%V 310
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_310_1_a14/
%G ru
%F DAN_1990_310_1_a14