La Pastina, Pier Paolo; Vitagliano, Luca - 01a Articolo in rivista
paper: PACIFIC JOURNAL OF MATHEMATICS (Pacific Journal of Mathematics:University of California at Berkeley, Department of Mathematics:Berkeley, CA 94720:(510)642-0116, Fax: (510)642-6726) pp. 265-298 - issn: 0030-8730 - wos: WOS:000503844500009 (8) - scopus: 2-s2.0-85077165684 (9)