TY - BOOK AU - Borsuk,Mikhail AU - Kondratiev,Vladimir TI - ELLIPTIC BOUNDARY VALUE PROBLEMS OF SECOND ORDER IN PIECEWISE SMOOTH DOMAINS SN - 0 444 52109 7 U1 - 515.3533 PY - 2006/// CY - PB - Elsevier, Amsterdam KW - Boundary Value Problems KW - Differential Equations, Elliptic ER -