@article{BASM_2003_1_a6, author = {E. A. Grebenikov}, title = {New constructive methods for analysis of resonant systems}, journal = {Buletinul Academiei de \c{S}tiin\c{t}e a Republicii Moldova. Matematica}, pages = {69--77}, publisher = {mathdoc}, number = {1}, year = {2003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/BASM_2003_1_a6/} }