@article{RCM_2023_57_1_a1, author = {Shaday Guerrero-Flores and Osvaldo Osuna and Jos\'e Geiser Villavicencio Pulido}, title = {Periodic orbits in a seasonal {SIRS} model with both incidence and treatment generalized rates}, journal = {Revista colombiana de matematicas}, pages = {19--36}, publisher = {mathdoc}, volume = {57}, number = {1}, year = {2023}, url = {http://geodesic.mathdoc.fr/item/RCM_2023_57_1_a1/} }