@article{TMF_2021_208_3_a6,
     author = {A. B. Borisov},
     title = {Three-dimensional vortices in the {Heisenberg} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {471--480},
     publisher = {mathdoc},
     volume = {208},
     number = {3},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2021_208_3_a6/}
}