%0 Journal Article %A V. K. Dubolar' %T Dynamical systems with lag %J Doklady Akademii Nauk %D 1968 %P 999-1002 %V 183 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_183_5_a2/ %G ru %F DAN_1968_183_5_a2