@article{1077379963, author = {Pellicciaro, E. J.}, title = {Compatibility theorems for infinite differential systems}, journal = {Duke Math. J.}, volume = {38}, number = {1}, year = {1971}, pages = { 733-739}, language = {en}, url = {http://dml.mathdoc.fr/item/1077379963} }
Pellicciaro, E. J. Compatibility theorems for infinite differential systems. Duke Math. J., Tome 38 (1971) no. 1, pp. 733-739. http://gdmltest.u-ga.fr/item/1077379963/