@article{MZM_2009_86_5_a3,
     author = {M. S. Bichegkuev},
     title = {Linear {Difference} and {Differential} {Operators} with {Unbounded} {Operator} {Coefficients} in {Weight} {Spaces}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {673--680},
     publisher = {mathdoc},
     volume = {86},
     number = {5},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2009_86_5_a3/}
}