@article{01930049, title = {On Hill's equation with a discontinuous coefficient.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2003}, year = {2003}, pages = {1599-1614}, doi = {10.1155/S016117120320209X}, zbl = {1027.34032}, language = {en}, url = {http://dml.mathdoc.fr/item/01930049} }
Karaca, Ilkay Yaslan. On Hill's equation with a discontinuous coefficient.. International Journal of Mathematics and Mathematical Sciences, Tome 2003 (2003) pp. 1599-1614. doi : 10.1155/S016117120320209X. http://gdmltest.u-ga.fr/item/01930049/