%0 Journal Article %A V. A. Kondrat'ev %T F. M. Arscott, Periodic differential equations (review) %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1967 %V 22 %N 6 %U http://geodesic.mathdoc.fr/item/RM_1967_22_6_a11/ %G ru %F RM_1967_22_6_a11