@article{CMUC_1974__15_2_a13, author = {Fu\v{c}{\'\i}k, Svatopluk and Lovicar, Vladim{\'\i}r}, title = {Boundary value and periodic problem for the equation $x''(t)+g(x(t))=p(t)$}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {351--355}, publisher = {mathdoc}, volume = {15}, number = {2}, year = {1974}, mrnumber = {0348176}, zbl = {0284.34018}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1974__15_2_a13/} }