On the structure of the solution set of evolution inclusions with time-dependent subdifferentials. Papageorgiou, N.S.; Papalini, F. — 1996 Acta Mathematica Universitatis Comenianae. New Series
Some representations of midconvex set-valued functions. K. Nikodem; F., Vercillo, S. Papalini — 1997 Aequationes mathematicae