1. “Linear Fractional Programming,'” IBM Research Rept. RC–830 (1962).
2. and “Hyperbolic Programming with Bivalent Variables” Department d'Informatique, Universite de Montreal, Publication #41, (1970).
3. “An Algorithm for Integer Solutions to Linear Programs” in Recent Advances in Mathematical Programming, R. L. Graves and P. Wolfe (1970).
4. “Fractional Programming: A Survey” Technical Report No. 50, Project THEMIS, Systems Research Center, Industrial and Systems Engineering Department, University of Florida Jan. (1971).