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@article{MZM_1993_54_4_a12, author = {A. A. Zyablov}, title = {On basis properties of eigenfunctions of one model problem with indefinite weight}, journal = {Matemati\v{c}eskie zametki}, pages = {149--151}, publisher = {mathdoc}, volume = {54}, number = {4}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1993_54_4_a12/} }
A. A. Zyablov. On basis properties of eigenfunctions of one model problem with indefinite weight. Matematičeskie zametki, Tome 54 (1993) no. 4, pp. 149-151. http://geodesic.mathdoc.fr/item/MZM_1993_54_4_a12/
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