Opinion Jan 1 1959 Letter to the editor of operations research LeRoy A. Brothers, Paul Armer, Millard H. Perstein, Dan C. Wilkins, and 4 more authorsLeRoy A. BrothersPaul ArmerMillard H. PersteinDan C. WilkinsP. A. ZaphyrM. J. R. HealyH. M. LiebersteinBruce Gilchrist
