%0 Journal Article %A G. L. Kharatishvili %A T. A. Tadumadze %T A~nonlinear optimal control problem with variable delay, nonfixed initial moment, and piecewise-continuous prehistor %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1998 %P 236-255 %V 220 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1998_220_a14/ %G ru %F TM_1998_220_a14