TY  - JOUR
AU  - A.M. FINK
TI  - Periodic Solutions by Exponential Convergence (Short Communication)
JO  - Aequationes mathematicae
PY  - 1971
SP  - 117
EP  - 117
VL  - 7
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1971__7_182364/
LA  - en
ID  - AM2_1971__7_182364
ER  -