000 00321nam a2200121Ia 4500
008 221001s1981 xx 000 0 eng d
082 _a515.33 VAS
100 _aVashishta, A. R.
245 0 _aDifferential calculus
260 _aMeerut
_bKrishna Prakashan Mandir
_c1981
300 _aVarious pagination.
942 _2ddc
_cBK
999 _c27155
_d27155