@article{1077490198,
author = {Lubin, C. I.},
title = {Transformation of differential equations in the neighborhood of singular points},
journal = {Duke Math. J.},
volume = {3},
number = {1},
year = {1937},
pages = { 394-417},
language = {en},
url = {http://dml.mathdoc.fr/item/1077490198}
}
Lubin, C. I. Transformation of differential equations in the neighborhood of singular points. Duke Math. J., Tome 3 (1937) no. 1, pp. 394-417. http://gdmltest.u-ga.fr/item/1077490198/