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@article{DAN_1960_133_2_a14, author = {A. V. Astakhov}, title = {A contribution to the proof of double spectral representations}, journal = {Doklady Akademii Nauk}, pages = {307--310}, publisher = {mathdoc}, volume = {133}, number = {2}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1960_133_2_a14/} }
A. V. Astakhov. A contribution to the proof of double spectral representations. Doklady Akademii Nauk, Tome 133 (1960) no. 2, pp. 307-310. http://geodesic.mathdoc.fr/item/DAN_1960_133_2_a14/