@article{00224002, title = {Constructive method for solving a nonlinear singularly perturbed system of differential equations in critical case.}, journal = {Journal of Applied Mathematics and Stochastic Analysis}, volume = {6}, year = {1993}, pages = {69-81}, doi = {10.1155/S1048953393000073}, zbl = {0771.34048}, language = {en}, url = {http://dml.mathdoc.fr/item/00224002} }
Slavova, Angela. Constructive method for solving a nonlinear singularly perturbed system of differential equations in critical case.. Journal of Applied Mathematics and Stochastic Analysis, Tome 6 (1993) pp. 69-81. doi : 10.1155/S1048953393000073. http://gdmltest.u-ga.fr/item/00224002/