1. Abramowitz , M. and
Stegun , I. 1970. “Handbook of Mathematical Functions”. New York: Dover.
2. Approximations for the single-product production-inventory problem with compound Poisson demand and service-level constraints
3. De Kok , A. G. 1983. “Approximations for a lost-sales production/inventory control model with service level constraints. Research Report no.96”. Amsterdam: Vrije Universiteit. to appear in Manag. Sci.
4. De Kok , A. G. and
Tijms , H. C. 1983. “A two-moment approximation for a buffer design problem requiring a small rejection probability Research Report no. 115”. Amsterdam: Vrije Universiteit. to appear in Perform. Eval.
5. Algorithm 542: Incomplete Gamma Functions [S14]