%0 Journal Article %A Bačová, Beatrix %A Dorociaková, Božena %T Oscillation of nonlinear differential systems with retarded arguments %J Czechoslovak Mathematical Journal %D 2005 %P 255-262 %V 55 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2005__55_1_a18/ %G en %F CMJ_2005__55_1_a18