@article{01146290,
title = {Global transformations of linear differential equations.},
journal = {Memoirs on Differential Equations and Mathematical Physics},
volume = {12},
year = {1997},
pages = {178-183},
zbl = {0986.34004},
language = {en},
url = {http://dml.mathdoc.fr/item/01146290}
}
Neuman, František. Global transformations of linear differential equations.. Memoirs on Differential Equations and Mathematical Physics, Tome 12 (1997) pp. 178-183. http://gdmltest.u-ga.fr/item/01146290/