@article{05019513,
title = {A characterization of damped and undamped harmonic oscillations by a superposition property II.},
journal = {Mathematica Pannonica},
volume = {16},
year = {2005},
pages = {241-247},
zbl = {1103.39022},
language = {en},
url = {http://dml.mathdoc.fr/item/05019513}
}
Schöpf, Peter; Schwaiger, Jens. A characterization of damped and undamped harmonic oscillations by a superposition property II.. Mathematica Pannonica, Tome 16 (2005) pp. 241-247. http://gdmltest.u-ga.fr/item/05019513/