@article{1250128125,
author = {Sheman, Thomas L. and Brown, David E.},
title = {Asymptotic behavior of solutions to perturbed linear differential equations},
journal = {Rocky Mountain J. Math.},
volume = {12},
number = {4},
year = {1982},
pages = { 843-862},
language = {en},
url = {http://dml.mathdoc.fr/item/1250128125}
}
Sheman, Thomas L.; Brown, David E. Asymptotic behavior of solutions to perturbed linear differential equations. Rocky Mountain J. Math., Tome 12 (1982) no. 4, pp. 843-862. http://gdmltest.u-ga.fr/item/1250128125/