%0 Journal Article %A V. V. Petrov %A G. M. Ulanov %T The similarity of sliding, vibrational and optimal conditions of motion in servomechanisms %J Doklady Akademii Nauk %D 1957 %P 394-397 %V 112 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1957_112_3_a6/ %G ru %F DAN_1957_112_3_a6