@article{TMF_1982_53_1_a1,
     author = {G. K. Tolokonnikov},
     title = {Differential rings used in {Shirokov} algebras},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {16--19},
     year = {1982},
     volume = {53},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1982_53_1_a1/}
}