@article{MZM_1997_62_2_a4,
     author = {I. M. Guseinov},
     title = {On a transformation operator},
     journal = {Matemati\v{c}eskie zametki},
     pages = {206--215},
     publisher = {mathdoc},
     volume = {62},
     number = {2},
     year = {1997},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1997_62_2_a4/}
}