中国科学院数学与系统科学研究院期刊网
THE PROBLEM OF SELECTING A SPECIFIED NUMBER OF REPRESENTATIVE POINTS FROM A NORMAL POPULATION
Fang Kai-tai, He Shu-dong
Acta Mathematicae Applicatae Sinica . 1984, (3): 293 -306 .  DOI: 10.12387/C1984033