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@article{DAN_1990_313_3_a9, author = {E. I. Moiseev}, title = {The basis property of eigenfunctions of a nonlocal boundary value}, journal = {Doklady Akademii Nauk}, pages = {556--559}, publisher = {mathdoc}, volume = {313}, number = {3}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_313_3_a9/} }
E. I. Moiseev. The basis property of eigenfunctions of a nonlocal boundary value. Doklady Akademii Nauk, Tome 313 (1990) no. 3, pp. 556-559. http://geodesic.mathdoc.fr/item/DAN_1990_313_3_a9/