@article{FAA_1996_30_3_a0,
     author = {A. G. Baskakov},
     title = {Semigroups of {Difference} {Operators} in {Spectral} {Analysis} of {Linear} {Differential} {Operators}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {1--11},
     publisher = {mathdoc},
     volume = {30},
     number = {3},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1996_30_3_a0/}
}