@article{DE_1999_35_2_a3,
     author = {E. I. Moiseev},
     title = {The basis property of a system of eigenfunctions of a differential operator in a weighted space},
     journal = {Differencialʹnye uravneni\^a},
     pages = {200--205},
     publisher = {mathdoc},
     volume = {35},
     number = {2},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1999_35_2_a3/}
}