Darbo, G. Aspetti algebraico-categoriali della teoria dei dispositivi. (Italian) Zbl 0263.18007 Sympos. Math., Roma 4, Teoria Numeri, Dic. 1968, e Algebra, Marzo 1969, 303-336 (1970). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 6 ReviewsCited in 9 Documents MSC: 18B10 Categories of spans/cospans, relations, or partial maps 03G15 Cylindric and polyadic algebras; relation algebras 18A15 Foundations, relations to logic and deductive systems 18B20 Categories of machines, automata 34A30 Linear ordinary differential equations and systems PDFBibTeX XML