@article{1250130142, author = {Kokotovic, Petar V.}, title = {Singular perturbations in optimal control}, journal = {Rocky Mountain J. Math.}, volume = {6}, number = {4}, year = {1976}, pages = { 767-774}, language = {en}, url = {http://dml.mathdoc.fr/item/1250130142} }
Kokotovic, Petar V. Singular perturbations in optimal control. Rocky Mountain J. Math., Tome 6 (1976) no. 4, pp. 767-774. http://gdmltest.u-ga.fr/item/1250130142/