00422nam a2200157Ia 4500 210719s1967 xx 000 0 und d eng 511.324 SAMS SAMPATHKUMARACHAR (E) Some studies in boolean algebra Dharwar Karnatak university 1967 ii,78 HB 7 Rs Mathematics Boolean algebra mathematics maths 212869 212869 0 0 ddc 0 0 MAT AL AL SSS 1996-05-21 7.00 1 511.324 SAMS D00969 2025-12-19 15:53:59 2025-12-10 2021-07-19 DB