000			00415nam a2200157Ia 4500
005			20260205064304.0
008			260111s9999||||xx |||||||||||||| ||und||
020			_a9788123780481
082			_a510 D459C
100			_aDeshpande, S.P.
245		0	_aConcept of Zero
260			_aNew Delhi _bN.B.T India _c2017
300			_a129p.
690			_aMathematics ;Ancient civilization ;Brahmagupta ;Zero
942			_cBK
999			_c200232 _d200232