由于在家里没办法下文献，麻烦帮我一下。
文章：Purchasing Raw Material on a Fluctuating Market
T. Fabian, J. L. Fisher, M. W. Sasieni and A. YardeniOperations Research, Vol. 7, No. 1 (Jan. - Feb., 1959), pp. 107-122
(article consists of 16 pages) Published by: INFORMSStable URL: http://www.jstor.org/stable/167597