Analysis of symmetric periodic orbits in a tripolar system with a segmentGiulliano Assis Sodero Boaventura, Alessandra Ferraz da Silva Ferreira, Silvia Maria Giuliatti Winter and Othon Cabo WinterEur. Phys. J. Spec. Top., 232 18-19 (2023) 2997-3005DOI: https://doi.org/10.1140/epjs/s11734-023-01036-8