@article{TAM_1977_3_1_a3,
     author = {M. M. Konstantinov and D. D. Bainov},
     title = {Nonlinear oscillations of a visco-elastic body under the action of periodic forces},
     journal = {Theoretical and applied mechanics},
     pages = {23 },
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1977},
     url = {http://geodesic.mathdoc.fr/item/TAM_1977_3_1_a3/}
}