@article{TMF_2009_160_1_a0,
     author = {Yu. N. Bernatskaya and P. I. Holod},
     title = {Topological excitations in a~two-dimensional spin system with high spin $s\ge1$},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {4--14},
     publisher = {mathdoc},
     volume = {160},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2009_160_1_a0/}
}