A Class of Variational Problems in Search Theory and the Maximum Principle. - E. J. Beltrami; R. McGill (Oper. Res., 1966)

On Infinite-Dimensional Convex Programs. - E. J. Beltrami (J. Comput. Syst. Sci., 1967)

An Adaptive Random Search Algorithm for Constrained Minimization. - Edward J. Beltrami; Joseph Paul Indusi (IEEE Trans. Computers, 1972)

Networks and vehicle routing for municipal waste collection. - E. J. Beltrami; Lawrence D. Bodin (Networks, 1974)