@article{TMF_1974_19_3_a1,
     author = {A. V. Bulinsky},
     title = {On the continuity condition for a~group of internal symmetries},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {300--304},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1974_19_3_a1/}
}