@article{MZM_2004_75_2_a4,
     author = {S. A. Zelenova},
     title = {Commutative {Subalgebras} of {Quantum} {Algebras}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {208--221},
     year = {2004},
     volume = {75},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2004_75_2_a4/}
}