00439nam a2200169Ia 4500082002000000100001800020245002300038260004000061300000600101500000500107690000600112700000500118952010200123964001700225921001000242999001700252  a519.535bK45.QF  aKhatri, C. G.  aQuardratic formsb  aAhmedabadbGujarat Universityc60p.  a   a  a   a  00104070aISIbISId1998-10-07l0o519.535 K45.QFpDP13740r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a15674  c15674d15674