%0 Journal Article %A A. B. Kurzhanskii %A O. I. Nikonov %T Evolution equations for pencils of trajectories of synthesized %J Doklady Akademii Nauk %D 1993 %P 578-581 %V 333 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1993_333_5_a4/ %G ru %F DAN_1993_333_5_a4