@article{DE_2002_38_5_a4,
     author = {A. Yu. Popov},
     title = {The {Spectral} {Values} of a {Boundary} {Value} {Problem} and the {Zeros} of {Mittag-Leffer} {Functions}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {611--621},
     publisher = {mathdoc},
     volume = {38},
     number = {5},
     year = {2002},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2002_38_5_a4/}
}