Stationary phase approximations of FM spectra. - Rudolf de Buda (IEEE Trans. Inf. Theory, 1966)

An extension of Green's condition to cross-ambiguity functions. - Rudolf de Buda (IEEE Trans. Inf. Theory, 1967)

Signals that can be calculated from their ambiguity function. - Rudolf de Buda (IEEE Trans. Inf. Theory, 1970)

Conversion of sequency-limited signals into frequency-limited signals and vice versa (Corresp.). - Henning F. Harmuth; Rudolf de Buda (IEEE Trans. Inf. Theory, 1971)

About Optimal Properties of Fast Frequency-Shift Keying. - Rudolf de Buda (IEEE Trans. Commun., 1974)

The upper error bound of a new near-optimal code. - Rudolf de Buda (IEEE Trans. Inf. Theory, 1975)

Demodulation of a Gosset lattice code having a spectral null at DC. - Norman P. Secord; Rudolf de Buda (IEEE Trans. Inf. Theory, 1989)