%0 Journal Article %A V. V. Petrov %A V. M. Ageev %T Entropy and auto-oscillations in nonlinear systems %J Doklady Akademii Nauk %D 1971 %P 1260-1261 %V 199 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_199_6_a11/ %G ru %F DAN_1971_199_6_a11