@article{JRAM_1979__0307_0308_152105,
     author = {Hans Peter Rehm},
     title = {Galois groups and elementary solutions of some linear differential equations.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--7},
     publisher = {mathdoc},
     volume = {0307_0308},
     year = {1979},
     zbl = {0401.34010},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__0307_0308_152105/}
}