@article{GDZPPN002034409,
title = {Addition theorems for solutions to linear homogeneous constant coefficient ordinary differential equations. (Short Communication).},
journal = {Aequationes mathematicae},
volume = {26},
year = {1983},
pages = {123-123},
zbl = {0546.34006},
url = {http://dml.mathdoc.fr/item/GDZPPN002034409}
}
Ungar, Abraham. Addition theorems for solutions to linear homogeneous constant coefficient ordinary differential equations. (Short Communication).. Aequationes mathematicae, Tome 26 (1983) p. 123. http://gdmltest.u-ga.fr/item/GDZPPN002034409/