%0 Journal Article %A C. Kluczny %T On the characteristic exponents of the solutions of a system of ordinary differential equations %J Annales Polonici Mathematici %D 1960 %P 215-239 %V 8 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-8-3-215-239/ %R 10.4064/ap-8-3-215-239 %G en %F 10_4064_ap_8_3_215_239