1. Teoremi di approssimazione di tipo Korovkin in spazi di funzioni;Altomare;Rend. Mat. (6),1980
2. Limit semigroups of Bernstein–Schnabl operators associated with positive projections;Altomare;Ann. Scuola Norm. Sup. Pisa Cl. Sci. (4),1989
3. Korovkin-type Approximation Theory and its Applications;Altomare,1994
4. Korovkin-type theorems and approximation by positive linear operators;Altomare;Surv. Approx. Theory,2010
5. Asymptotic behaviour of iterates of positive linear operators;Raşa;Jaen J. Approx.,2009