TY  - JOUR
AU  - T. Ya. Azizov
AU  - V. L. Khatskevich
TI  - Some applications of the theory of operators in Krein spaces to the solvability of nonlinear Hamiltonian systems
JO  - Matematičeskie zametki
PY  - 1991
SP  - 3
EP  - 9
VL  - 50
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1991_50_4_a0/
LA  - ru
ID  - MZM_1991_50_4_a0
ER  -