TY - BOOK AU - Csakany B ed. ED - Colloquium on finite Algebra and Multiple-Valued Logic( 6th : 1979 : Szeged ) ED - Colloquium on finite Algebra and Multiple-Valued Logic 6th TI - Finite algebra and multiple-valued logic : proceedings SN - 0-444-85439-8 U1 - 511.3 PY - 1981/// CY - Amsterdam PB - North-Holland KW - Mathematical logic ER -