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@article{DAN_1987_294_6_a6, author = {A. M. Krasnosel'skii}, title = {Directed corrections in the method of harmonic balance}, journal = {Doklady Akademii Nauk}, pages = {1314--1318}, publisher = {mathdoc}, volume = {294}, number = {6}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1987_294_6_a6/} }
A. M. Krasnosel'skii. Directed corrections in the method of harmonic balance. Doklady Akademii Nauk, Tome 294 (1987) no. 6, pp. 1314-1318. http://geodesic.mathdoc.fr/item/DAN_1987_294_6_a6/