@article{GDZPPN002195968,
title = {Galois groups and elementary solutions of some linear differential equations.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {310},
year = {1979},
pages = {1-7},
zbl = {0401.34010},
url = {http://dml.mathdoc.fr/item/GDZPPN002195968}
}
Rehm, Hans Peter. Galois groups and elementary solutions of some linear differential equations.. Journal für die reine und angewandte Mathematik, Tome 310 (1979) pp. 1-7. http://gdmltest.u-ga.fr/item/GDZPPN002195968/