@article{105799, author = {Milan Kone\v cn\'y}, title = {Remarks on periodic solvability of nonlinear ordinary differential equations}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {018}, year = {1977}, pages = {547-562}, zbl = {0371.34026}, mrnumber = {0470340}, language = {en}, url = {http://dml.mathdoc.fr/item/105799} }
Konečný, Milan. Remarks on periodic solvability of nonlinear ordinary differential equations. Commentationes Mathematicae Universitatis Carolinae, Tome 018 (1977) pp. 547-562. http://gdmltest.u-ga.fr/item/105799/
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