TY  - JOUR
AU  - Kuo-Shou Chiu
AU  - Fernando Cordova-Lepe
TI  - Some conditions for the existence of 4-periodic solutions in non-homogeneous differential equations involving piecewise alternately advanced and retarded arguments
JO  - Nanosistemy: fizika, himiâ, matematika
PY  - 2024
SP  - 749
EP  - 754
VL  - 15
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NANO_2024_15_6_a2/
LA  - en
ID  - NANO_2024_15_6_a2
ER  -