@article{RCM_2021_55_1_a1, author = {Homero D{\'\i}az-Mar{\'\i}n and Osvaldo Osuna}, title = {Periodic solutions for a model of tumor volume with anti-angiogenic periodic treatment}, journal = {Revista colombiana de matematicas}, pages = {13--20}, publisher = {mathdoc}, volume = {55}, number = {1}, year = {2021}, url = {http://geodesic.mathdoc.fr/item/RCM_2021_55_1_a1/} }