Averaging method in multipoint problems of the theory of nonlinear oscillations
By using the averaging method, we prove the solvability of multipoint problems for nonlinear oscillation systems and estimate the deviation of solutions of original and averaged problems.
English version (Springer): Ukrainian Mathematical Journal 48 (1996), no. 8, pp 1241-1250.
Citation Example: Petryshyn Ya. R., Samoilenko A. M. Averaging method in multipoint problems of the theory of nonlinear oscillations // Ukr. Mat. Zh. - 1996. - 48, № 8. - pp. 1096-1103.