%0 Journal Article %A M. M. Konstantinov %A D. D. Bainov %T Nonlinear oscillations of a visco-elastic body under the action of periodic forces %J Theoretical and applied mechanics %D 1977 %P 23 %V 3 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TAM_1977_3_1_a3/ %F TAM_1977_3_1_a3