000			00314nam a2200097Ia 4500
008			220816s9999||||xx |||||||||||||| ||und||
020			_a5030014012
245		0	_aEquations and inequalities _cV.V. Vavilov ; I. I. Melnikov ; S. N. Olekhnik ; P. I. Pasichenko
260			_aMoscow: _bMIR Publishers, _c1990
300			_a453p+
999			_c3120 _d3120