@article{NANO_2024_15_6_a2,
     author = {Kuo-Shou Chiu and Fernando Cordova-Lepe},
     title = {Some conditions for the existence of 4-periodic solutions in non-homogeneous differential equations involving piecewise alternately advanced and retarded arguments},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {749--754},
     publisher = {mathdoc},
     volume = {15},
     number = {6},
     year = {2024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2024_15_6_a2/}
}