Chipot, Michel Regularity for the two obstacles problem. (English) Zbl 0481.35029 Free boundary problems, Proc. Semin. Pavia 1979, Vol. II, 135-139 (1980). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 35D10 Regularity of generalized solutions of PDE (MSC2000) 49J40 Variational inequalities 35R35 Free boundary problems for PDEs Keywords:two obstacles problem; linear second order differential operator in divergence form Citations:Zbl 0451.00014; Zbl 0397.35015 PDFBibTeX XML