@article{01413172, title = {On commuting differential operators.}, journal = {Electronic Journal of Differential Equations (EJDE) [electronic only]}, volume = {2000}, year = {2000}, zbl = {0953.34073}, language = {en}, url = {http://dml.mathdoc.fr/item/01413172} }
Weikard, R. On commuting differential operators.. Electronic Journal of Differential Equations (EJDE) [electronic only], Tome 2000 (2000) . http://gdmltest.u-ga.fr/item/01413172/