%0 Journal Article %A Homero Díaz-Marín %A Osvaldo Osuna %T Periodic solutions for a model of tumor volume with anti-angiogenic periodic treatment %J Revista colombiana de matematicas %D 2021 %P 13-20 %V 55 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_2021_55_1_a1/ %F RCM_2021_55_1_a1