@article{106851, author = {J\'an Andres}, title = {Note to the paper of Fu\v c\'\i k and Mawhin}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {031}, year = {1990}, pages = {223-226}, zbl = {0715.34080}, mrnumber = {1077892}, language = {en}, url = {http://dml.mathdoc.fr/item/106851} }
Andres, Ján. Note to the paper of Fučík and Mawhin. Commentationes Mathematicae Universitatis Carolinae, Tome 031 (1990) pp. 223-226. http://gdmltest.u-ga.fr/item/106851/
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