Hypercomplex analysis / SpringerLink (Online service), 2009 r=on-line. - Текст : электронный.
Harmonic analysis, signal processing, and complexity : festschrift in honor of the 60th birthday of Carlos A. Berenstein / ed. I. Sabadini [et al.], 2005 r=on-line. - Текст : электронный.
Colombo F. Noncommutative Functional Calculus : Theory and Applications of Slice Hyperholomorphic Functions / by Fabrizio Colombo, Irene Sabadini, Daniele C. Struppa., 2011 r=on-line (Введено оглавление). - Текст : электронный.