@article{TMF_2018_197_1_a7,
     author = {V. Rosenhaus and R. Shankar},
     title = {Subsymmetries and their properties},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {138--152},
     publisher = {mathdoc},
     volume = {197},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2018_197_1_a7/}
}