@article{04084077, title = {On the cardinality of solutions of multilinear differential equations and applications.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {9}, year = {1986}, pages = {757-766}, doi = {10.1155/S0161171286000911}, zbl = {0663.34008}, language = {en}, url = {http://dml.mathdoc.fr/item/04084077} }
Argyros, Ioannis K. On the cardinality of solutions of multilinear differential equations and applications.. International Journal of Mathematics and Mathematical Sciences, Tome 9 (1986) pp. 757-766. doi : 10.1155/S0161171286000911. http://gdmltest.u-ga.fr/item/04084077/