%0 Journal Article %A S. N. Bak %T The method of constrained minimization in the problem on oscillation of a chain of nonlinear oscillators %J Žurnal matematičeskoj fiziki, analiza, geometrii %D 2004 %P 263-273 %V 11 %N 3 %U http://geodesic.mathdoc.fr/item/JMAG_2004_11_3_a0/ %G ru %F JMAG_2004_11_3_a0