@article{GDZPPN002549743,
title = {Periodic Solutions by Exponential Convergence (Short Communication)},
journal = {Aequationes mathematicae},
volume = {7},
year = {1971},
pages = {117-117},
language = {en},
url = {http://dml.mathdoc.fr/item/GDZPPN002549743}
}
FINK, A.M. Periodic Solutions by Exponential Convergence (Short Communication). Aequationes mathematicae, Tome 7 (1971) p. 117. http://gdmltest.u-ga.fr/item/GDZPPN002549743/