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@article{DAN_1990_310_1_a14, author = {S. S. Lapushkin}, title = {Particle-like excitations in the $X$--$Y$ model with external action of impulse type}, journal = {Doklady Akademii Nauk}, pages = {63--65}, publisher = {mathdoc}, volume = {310}, number = {1}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_310_1_a14/} }
S. S. Lapushkin. Particle-like excitations in the $X$--$Y$ model with external action of impulse type. Doklady Akademii Nauk, Tome 310 (1990) no. 1, pp. 63-65. http://geodesic.mathdoc.fr/item/DAN_1990_310_1_a14/