TY  - JOUR
AU  - Yu. N. Bibikov
TI  - Bifurcation of the generation of invariant tori with infinitesimal frequency
JO  - Algebra i analiz
PY  - 1998
SP  - 81
EP  - 92
VL  - 10
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_1998_10_2_a2/
LA  - ru
ID  - AA_1998_10_2_a2
ER  -