%0 Journal Article %A G. H. Sahakyan %T Floke--Liapunov's theorem for Dirac's two-parameter system with periodical coefficients %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2001 %P 14-21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2001_2_a2/ %G ru %F UZERU_2001_2_a2