A DELIVERY-LAG INVENTORY CONTROL PROCESS WITH EMERGENCY AND NON-STATIONARY STOCHASTIC DEMANDS
Masanori Kodama · Bulletin of Mathematical Statistics · 1966
§1. Introduction. In [1] and [2] authors investigated one-commodity inventory model which, in addition to regular ordering of arbitary amount of stock to be delivered one period later, there is also provided emergency ordering with instantaneous delivery of stock which is naturally more expensive than re-