A Deterministic Multiproduct, Multi-Facility Production and Inventory Model. - Willard I. Zangwill (Oper. Res., 1966)

Minimizing a function without calculating derivatives. - Willard I. Zangwill (Comput. J., 1967)

A Decomposable Nonlinear Programming Approach. - Willard I. Zangwill (Oper. Res., 1967)

Cost Minimization in Networks with Discrete Stochastic Requirements. - Michael M. Connors; Willard I. Zangwill (Oper. Res., 1971)

An Eccentric Barycentric fixed Point Algorithm. - Willard I. Zangwill (Math. Oper. Res., 1977)

Determining All Solutions to Certain Systems of Nonlinear Equations. - C. B. García; Willard I. Zangwill (Math. Oper. Res., 1979)

An Approach to Homotopy and Degree Theory. - C. B. García; Willard I. Zangwill (Math. Oper. Res., 1979)

Finding all solutions to polynomial systems and other systems of equations. - C. B. García; Willard I. Zangwill (Math. Program., 1979)

Equilibrium programming: The path following approach and dynamics. - Willard I. Zangwill; C. B. García (Math. Program., 1981)

Nonconvexities in Univalence. - Willard I. Zangwill (Math. Oper. Res., 1983)

Order statistics of independent identically distributed variables when the sum is known. - Edward A. Silver; Daniel Costa; Willard I. Zangwill (Stat. Comput., 1998)