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1 - Contributions of the theory of nonlinear oscillations. Volume II |
2 - Contributions to the theory of nonlinear oscillations |
3 - Contributions to the theory of nonlinear oscillations. Volume III |
1 - Contributions of the theory of nonlinear oscillations. Volume II |
2 - Contributions to the theory of nonlinear oscillations |
3 - Contributions to the theory of nonlinear oscillations. Volume III |