Nonlinear Oscillations

An international mathematical journal

Article No. 112

S. F. Zakharin and I. O. Parasyuk: On smoothness of generalized quasiperiodic solutions of Lagrangian systems on Riemannian manifolds of non-positive curvature. Published in vol. 2 (1999), No. 2, pp. 180-193.

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Entire volume 2

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