@article{Zerong He:1181, author = {Zerong He,Mengjie Han}, title = {Optimal Control of Initial Distributions in a Hierarchical Size-Structured Population System with Delay}, publisher = {Acta mathematica scientia,Series A}, year = {2021}, journal = {Acta mathematica scientia, Series A}, volume = {41}, number = {4}, eid = {1181}, numpages = {10}, pages = {1181}, keywords = {;Hierarchy of size;Integro-partial differential equations;Optimal control;Normal cones;Variational principle}, url = {http://121.43.60.238/sxwlxbA/EN/abstract/article_16459.shtml}, doi = {} }