TY - JOUR AU - E. A. Grebenikov TI - New constructive methods for analysis of resonant systems JO - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica PY - 2003 SP - 69 EP - 77 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BASM_2003_1_a6/ LA - en ID - BASM_2003_1_a6 ER -