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@article{DAN_1983_272_1_a4, author = {I. E. Kaporin}, title = {A fast algorithm for a class of unitary transforms}, journal = {Doklady Akademii Nauk}, pages = {23--26}, publisher = {mathdoc}, volume = {272}, number = {1}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1983_272_1_a4/} }
I. E. Kaporin. A fast algorithm for a class of unitary transforms. Doklady Akademii Nauk, Tome 272 (1983) no. 1, pp. 23-26. http://geodesic.mathdoc.fr/item/DAN_1983_272_1_a4/