P. M. Hummel

Calculus and its Applications.

P. M. Hummel, R. D. Douglass, S. D. Zeldin, 1949 .

Questions, Discussions, and Notes

Robert E. Greenwood, P. M. Hummel, 1940 .

A Generalization of Taylor's Expansion

P. M. Hummel, C. L. Seebeck, 1949 .

A New Interpolation Formula

P. M. Hummel, C. L. Seebeck, 1951 .