中国科学院数学与系统科学研究院期刊网
MAXIMUM PRINCIPLE FOR OPTIMAL CONTROL PROBLEM OF NONLINEAR GENERALIZED SYSTEMS——Infinite dimensional case
Hu Ying, Peng Shi-ge, Li Xun-jing
Acta Mathematicae Applicatae Sinica . 1992, (1): 99 -104 .  DOI: 10.12387/C1992010