Variable rate multi-channel (Papoulis) sampling expansion (via sub-channel analysis) Sousa Pinto, J. — 1992 Portugaliae mathematica
Ultradistributions of exponential type and the Fourier-Carleman transform Sousa Pinto, J. — 1993 Portugaliae mathematica
From Silva tempered ultradistributions to ultradistributions of exponential type Sousa Pinto, J. — 1993 Portugaliae mathematica
Ultradistributions and continuous linear operators from Z into Z' Sousa Pinto, J. — 1991 Portugaliae mathematica
A nonstandard realization of the J.S. Silva axiomatic theory of distributions Hoskins, R.F.; Sousa Pinto, J. — 1991 Portugaliae mathematica