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found: Guerraggio, A. Metodi matematici per l'economia e le scienze sociali, 1984: t.p. (S. Salsa)
found: Optimal transportation and applications, c2003: CIP t.p. (S. Salsa) t.p. verso (Sandro Salsa; Dept. of Math. "F. Brioschi", Politecnico di Milano, Milano, Italy) data sht. (b. Jan. 11, 1950)
found: A geometric approach to free boundary problems, 2005: CIP t.p. (Sandro Salsa) data sheet (b. 1950)