TY - BOOK AU - Ziemer, William P., TI - Weakly differentiable functions : Sobolev spaces and functions of bounded variation T2 - Graduate texts in mathematics SN - 9780387970172 U1 - 515.73 ZIE PY - 1989/// CY - New York PB - Springer-Verlag KW - Analysis KW - Sobolev spaces KW - Functions of bounded variation N1 - Includes index ER -