TY  - JOUR
AU  - Onitsuka, Masakazu
TI  - Approximation of limit cycle of differential systems with variable coefficients
JO  - Archivum mathematicum
PY  - 2023
SP  - 85
EP  - 97
VL  - 59
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.5817/AM2023-1-85/
DO  - 10.5817/AM2023-1-85
LA  - en
ID  - 10_5817_AM2023_1_85
ER  -