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@article{DAN_1992_326_1_a8, author = {N. N. Tarkhanov and A. A. Shlapunov}, title = {Bases with double orthogonality in the {Cauchy} problem for systems}, journal = {Doklady Akademii Nauk}, pages = {45--49}, publisher = {mathdoc}, volume = {326}, number = {1}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1992_326_1_a8/} }
N. N. Tarkhanov; A. A. Shlapunov. Bases with double orthogonality in the Cauchy problem for systems. Doklady Akademii Nauk, Tome 326 (1992) no. 1, pp. 45-49. http://geodesic.mathdoc.fr/item/DAN_1992_326_1_a8/