@article{GDZPPN002541882,
title = {A conterexample in the theory of linear singularly perturbed systems},
journal = {Revista colombiana de matematicas},
volume = {25},
year = {1991},
pages = {95-102},
zbl = {0767.34042},
url = {http://dml.mathdoc.fr/item/GDZPPN002541882}
}
Naulin, Raúl. A conterexample in the theory of linear singularly perturbed systems. Revista colombiana de matematicas, Tome 25 (1991) pp. 95-102. http://gdmltest.u-ga.fr/item/GDZPPN002541882/