@article{1077473991, author = {Bellman, Richard}, title = {The boundedness of solutions of linear differential equations}, journal = {Duke Math. J.}, volume = {14}, number = {1}, year = {1947}, pages = { 83-97}, language = {en}, url = {http://dml.mathdoc.fr/item/1077473991} }
Bellman, Richard. The boundedness of solutions of linear differential equations. Duke Math. J., Tome 14 (1947) no. 1, pp. 83-97. http://gdmltest.u-ga.fr/item/1077473991/