@article{TMF_2014_178_3_a0,
     author = {A. V. Domrina},
     title = {Integer-valued characteristics of solutions of the~noncommutative},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {307--321},
     year = {2014},
     volume = {178},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2014_178_3_a0/}
}