000			00366nam a2200133Ia 4500
020			_a9780387970172
082			_a515.73ZIE/W
100			_aZiemer, William P
245		0	_aWeakly Differentiable Functions: Sobolev Spaces and Functions of Bounded Variation
260			_bSpringer _aNew York _c1989
300			_a308p
650			_aDifferentiable Functions
942			_cBK
999			_c5762 _d5762