SaSr1996
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J. Shatah, W. Strauss. Breathers as homoclinic geometric wave maps (English summary). Physics D, 99 (1996), 113-133. MathSciNet, arXiv.
J. Shatah, W. Strauss. Breathers as homoclinic geometric wave maps (English summary). Physics D, 99 (1996), 113-133. MathSciNet, arXiv.