Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MAT_1964_8_5_a10, author = {R. Bellman}, title = {Directions of mathematical research in nonlinear circuit theory}, journal = {Matematika}, pages = {156--176}, publisher = {mathdoc}, volume = {8}, number = {5}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1964_8_5_a10/} }
R. Bellman. Directions of mathematical research in nonlinear circuit theory. Matematika, Tome 8 (1964) no. 5, pp. 156-176. http://geodesic.mathdoc.fr/item/MAT_1964_8_5_a10/