@article{1103052105,
author = {Cashwell, E. D.},
title = {The asymptotic solutions of an ordinary differential equation in which the coefficient of the parameter is singular.},
journal = {Pacific J. Math.},
volume = {1},
number = {1},
year = {1951},
pages = { 337-352},
language = {en},
url = {http://dml.mathdoc.fr/item/1103052105}
}
Cashwell, E. D. The asymptotic solutions of an ordinary differential equation in which the coefficient of the parameter is singular.. Pacific J. Math., Tome 1 (1951) no. 1, pp. 337-352. http://gdmltest.u-ga.fr/item/1103052105/