中国科学院数学与系统科学研究院期刊网
HIGHER ORDER OPTIMALITY NECESSARY CONDITIONS FOR EXTREMUM PROBLEMS IN TOPOLOGICAL VECTOR SPACES
Chen Xiou-shu, Luo Guo-guang
Acta Mathematicae Applicatae Sinica . 1990, (2): 156 -167 .  DOI: 10.12387/C1990020