@article{104689, author = {Felix M. Arscott and Graham P. Wright}, title = {Floquet theory for doubly-periodic differential equations}, journal = {Archivum Mathematicum}, volume = {005}, year = {1969}, pages = {111-124}, zbl = {0235.34053}, mrnumber = {0330573}, language = {en}, url = {http://dml.mathdoc.fr/item/104689} }
Arscott, Felix M.; Wright, Graham P. Floquet theory for doubly-periodic differential equations. Archivum Mathematicum, Tome 005 (1969) pp. 111-124. http://gdmltest.u-ga.fr/item/104689/
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