Geodesic
On some properties of the characteristic exponents of a system of ordinary linear differential equations with periodic coefficients
Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta, Mathematics. Vol. VI, Tome 163 (1952) no. 163, pp. 123-132 
B. P. Demidovich. On some properties of the characteristic exponents of a system of ordinary linear differential equations with periodic coefficients. Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta, Mathematics. Vol. VI, Tome 163 (1952) no. 163, pp. 123-132. http://geodesic.mathdoc.fr/item/UZMU_1952_163_163_a7/
@article{UZMU_1952_163_163_a7,
     author = {B. P. Demidovich},
     title = {On some properties of the characteristic exponents of a system of ordinary linear differential equations with periodic coefficients},
     journal = {Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta},
     pages = {123--132},
     year = {1952},
     volume = {163},
     number = {163},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZMU_1952_163_163_a7/}
}
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
UR  - http://geodesic.mathdoc.fr/item/UZMU_1952_163_163_a7/
LA  - ru
ID  - UZMU_1952_163_163_a7
ER  - 
%0 Journal Article
%A B. P. Demidovich
%T On some properties of the characteristic exponents of a system of ordinary linear differential equations with periodic coefficients
%J Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta
%D 1952
%P 123-132
%V 163
%N 163
%U http://geodesic.mathdoc.fr/item/UZMU_1952_163_163_a7/
%G ru
%F UZMU_1952_163_163_a7

Voir la notice du chapitre de livre provenant de la source Math-Net.Ru