TY - JOUR AU - Homero Díaz-Marín AU - Osvaldo Osuna TI - Periodic solutions for a model of tumor volume with anti-angiogenic periodic treatment JO - Revista colombiana de matematicas PY - 2021 SP - 13 EP - 20 VL - 55 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RCM_2021_55_1_a1/ ID - RCM_2021_55_1_a1 ER -