P. Halpern

An extremal problem concerning finite dimensional subspaces of C[a, b] pertinent in signal theory

R. Mohapatra, P. O'Hara, P. Halpern, 1992, The Journal of the Australian Mathematical Society. Series B. Applied Mathematics.

A simple method for distinguishing modulation types

P. Halpern, P. Mallory, 1982 .

Trigonometric Pulse-Forming Networks Revisited

P. Halpern, 1972 .

Solution of flat time delay at finite frequencies

P. Halpern, P. Halpern, 1971 .

Optimum Monotonic Low-Pass Filters

P. Halpern, P. Halpern, 1969 .