000 00309nam a2200121Ia 4500
008 190708s9999 xx 000 0 und d
082 _a517.2 K527
100 _aKhanna, M L
245 0 _aDifferential calculus
260 _aMeerut ci
_bty Jai Prakash Nath & Co.
_c1963
300 _ax,269
942 _cBK
999 _c388
_d388