00441nam a22001577a 450000500170000000800410001704100080005810000160006624500470008225000110012926000240014030000100016494200070017499900170018195200850019820250712140048.0250712b        |||||||| |||| 00| 0 eng d  aeng  aLal, K. B.   aAbstract algebraic systemsc/ by K. B. Lal  a2n ed.  aPatnabBhartic1987  a562p.  cBK  c41015d41015  00104070aMATHbMATHcGENd2025-07-12l0pMAT/7637r2025-07-12w2025-07-12yBK