TY  - JOUR
AU  - V. V. Veremenyuk
TI  - Criterion for upper semicontinuity of the $i$th Lyapunov exponent of a linear Hamiltonian system of differential equations
JO  - Differencialʹnye uravneniâ
PY  - 1982
SP  - 371
EP  - 383
VL  - 18
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1982_18_3_a0/
LA  - ru
ID  - DE_1982_18_3_a0
ER  -