Media type: E-Article Title: Neumann Comparison Theorems in Elliptic PDEs Contributor: Langford, Jeffrey J. imprint: Springer Science and Business Media LLC, 2015 Published in: Potential Analysis Language: English DOI: 10.1007/s11118-015-9479-0 ISSN: 0926-2601; 1572-929X Keywords: Analysis Origination: Footnote: