@article{1028999136,
author = {Onuchic, Nelson},
title = {Nonlinear perturbation of a linear system of ordinary differential equations.},
journal = {Michigan Math. J.},
volume = {11},
number = {1},
year = {1964},
pages = { 237-242},
language = {en},
url = {http://dml.mathdoc.fr/item/1028999136}
}
Onuchic, Nelson. Nonlinear perturbation of a linear system of ordinary differential equations.. Michigan Math. J., Tome 11 (1964) no. 1, pp. 237-242. http://gdmltest.u-ga.fr/item/1028999136/