@article{TMF_1997_113_3_a0,
     author = {Yu. S. Vernov and M. N. Mnatsakanova},
     title = {Algebra of $q$-deformed commutators in an indefinite metric space},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {355--368},
     publisher = {mathdoc},
     volume = {113},
     number = {3},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1997_113_3_a0/}
}