Schafer, P. (1988). Maximum principles and eigenvalue problems in partial differential equations. Longman.
Chicago Edition CitationSchafer, P.W. Maximum Principles and Eigenvalue Problems in Partial Differential Equations. Longman, 1988.
MLA Edition CitationSchafer, P.W. Maximum Principles and Eigenvalue Problems in Partial Differential Equations. Longman, 1988.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.