000			00270nam a2200121Ia 4500
008			190216s9999||||xx |||||||||||||| ||und||
100			_aGupta K P
245		0	_aTopolgy`
260			_bPragathi Prakashan _c1974
300			_a436p
650			_aMathematics
942			_cBK
999			_c30765 _d30765