@article{105823, author = {Svatopluk Fu\v c\'\i k and Jean Mawhin}, title = {Generalized periodic solutions of nonlinear telegraph equations (Preliminary communication)}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {018}, year = {1977}, pages = {813-816}, zbl = {0376.35041}, mrnumber = {0499777}, language = {en}, url = {http://dml.mathdoc.fr/item/105823} }
Fučík, Svatopluk; Mawhin, Jean. Generalized periodic solutions of nonlinear telegraph equations (Preliminary communication). Commentationes Mathematicae Universitatis Carolinae, Tome 018 (1977) pp. 813-816. http://gdmltest.u-ga.fr/item/105823/
Remarks on some nonlinear boundary value problems, Comment. Math. Univ. Carolinae 17 (1976), 721-730. (1976) | MR 0427724
Periodic solutions of nonlinear telegraph equations, from: "Dynamical Systems", ed. Bednare Academic Press, 1977, pp. 193-210. (1977) | MR 0460914 | Zbl 0547.35077