TY  - JOUR
AU  - T. Aiki
AU  - N. Sato
TI  - Existence of periodic solution to one dimensional

JO  - The Bulletin of Irkutsk State University. Series Mathematics
PY  - 2018
SP  - 3
EP  - 18
VL  - 25
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IIGUM_2018_25_a0/
LA  - en
ID  - IIGUM_2018_25_a0
ER  -