Citation: Ai. Bobenko et Sb. Kuksin, SMALL-AMPLITUDE SOLUTIONS OF THE SINE-GORDON EQUATION ON AN INTERVAL UNDER DIRICHLET OR NEUMANN BOUNDARY-CONDITIONS, Journal of nonlinear science, 5(3), 1995, pp. 207-232
Citation: Ai. Bobenko et Sb. Kuksin, THE NONLINEAR KLEIN-GORDON EQUATION ON AN INTERVAL AS A PERTURBED SINE-GORDON EQUATION, Commentarii mathematici helvetici, 70(1), 1995, pp. 63-112