@article{10_14712_1213_7243_2019_018,
     author = {Khemis, Rabah and Ardjouni, Abdelouaheb and Bouakkaz, Ahl\`eme and Djoudi, Ahcene},
     title = {Periodic solutions of a class of third-order differential equations with two delays depending on time and state},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {379--399},
     publisher = {mathdoc},
     volume = {60},
     number = {3},
     year = {2019},
     doi = {10.14712/1213-7243.2019.018},
     mrnumber = {4034439},
     zbl = {07144901},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2019.018/}
}