@article{1077314179, author = {Sunada, Toshikazu}, title = {Trace formula for Hill's operators}, journal = {Duke Math. J.}, volume = {47}, number = {1}, year = {1980}, pages = { 529-546}, language = {en}, url = {http://dml.mathdoc.fr/item/1077314179} }
Sunada, Toshikazu. Trace formula for Hill’s operators. Duke Math. J., Tome 47 (1980) no. 1, pp. 529-546. http://gdmltest.u-ga.fr/item/1077314179/