@article{GDZPPN002034352,
title = {Addition theorems for solutions to linear homogeneous constant coefficient ordinary differential equations.},
journal = {Aequationes mathematicae},
volume = {26},
year = {1983},
pages = {104-112},
zbl = {0546.34006},
url = {http://dml.mathdoc.fr/item/GDZPPN002034352}
}
Ungar, Abraham. Addition theorems for solutions to linear homogeneous constant coefficient ordinary differential equations.. Aequationes mathematicae, Tome 26 (1983) pp. 104-112. http://gdmltest.u-ga.fr/item/GDZPPN002034352/