TY  - JOUR
AU  - B. P. Demidovich
TI  - On some properties of the characteristic exponents of a system of ordinary linear differential equations with periodic coefficients
JO  - Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta
PY  - 1952
SP  - 123
EP  - 132
VL  - 163
IS  - 163
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/UZMU_1952_163_163_a7/
LA  - ru
ID  - UZMU_1952_163_163_a7
ER  -