000			00296nam a2200121Ia 4500
005			20260205052332.0
008			260111s9999||||xx |||||||||||||| ||und||
082			_a540 P974N
100			_aPURI,S C
245		0	_aNUMERICAL PROBLEM.
260			_aNEW DELHI. _bR. CHAND AND CO. _c1991
942			_cBK
999			_c112871 _d112871