000 00300nam a2200121Ia 4500
008 221117b |||||||| |||| 00| 0 eng d
040 _aBGL
_cBGL
082 _a515.3RAO:D
100 _aRao, S. Balachandra
245 0 _aDifferential Calculus
260 _aNew Delhi
_bWiley Eastern
_c1992
942 _cGB
999 _c31267
_d31267