00741nam0-22002651i-450-990001200170403321000120017FED01000120017(Aleph)000120017FED0100012001720000920d1981----km-y0itay50------baengBoolean calculus of differencesby THAYSE Andre'II Ed. -Berlin [etc.]Springer-Verlag1981Lecture notes in computer science10Thayse,André348110ITUNINARICAUNIMARCBK990001200170403321C-16-(1016423MA1MA1Boolean calculus of differences341794UNINAING01