中国科学院数学与系统科学研究院期刊网
Optimal Harvesting of a Size-structured Population Model in a Periodic Environment
HE Zerong, LIU Rong, LIU Lili
Acta Mathematicae Applicatae Sinica . 2014, (1): 145 -159 .  DOI: 10.12387/C2014015