@article{TMF_1977_32_1_a11, author = {V. P. Yatsishin}, title = {Isolated magnon in a~linear ferromagnetic chain}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {127--130}, publisher = {mathdoc}, volume = {32}, number = {1}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_1977_32_1_a11/} }