@article{DAN_1995_343_3_a0,
     author = {A. G. Baskakov},
     title = {Spectral analysis of linear differential operators and semigroups of difference operators},
     journal = {Doklady Akademii Nauk},
     pages = {295--298},
     publisher = {mathdoc},
     volume = {343},
     number = {3},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1995_343_3_a0/}
}