We study existence and uniqueness of a mathematical model for the growth of tumors with time delays. The time delay represents the time taken for cells to undergo mitosis.

• 研究了一个带有时滞项的描述肿瘤生长的数学模型解的存在唯一性，时滞大小为细胞从开始分裂到新个体的形成所需要的时间。