000			00260nam a2200097Ia 4500
008			220816s9999||||xx |||||||||||||| ||und||
020			_aNULL
245		0	_aProblem book in High-School Mathematics _cPrilepko, A. I.
260			_aMoscow: _bMIR, _c1985
300			_a280p.
999			_c3313 _d3313