@article{GDZPPN002371243,
title = {Almost periodic recurrent motions},
journal = {Mathematische Zeitschrift},
volume = {30},
year = {1929},
pages = {325-331},
zbl = {55.1094.01},
url = {http://dml.mathdoc.fr/item/GDZPPN002371243}
}
Franklin, P. Almost periodic recurrent motions. Mathematische Zeitschrift, Tome 30 (1929) pp. 325-331. http://gdmltest.u-ga.fr/item/GDZPPN002371243/