TY  - JOUR
AU  - V. M. Koltyzhenkov
TI  - Nonregular variational equations along quasiperiodic solutions of Hamiltonian systems
JO  - Matematičeskie zametki
PY  - 1988
SP  - 62
EP  - 70
VL  - 43
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1988_43_1_a7/
LA  - ru
ID  - MZM_1988_43_1_a7
ER  -