Protter, M. H., & Weinberger, H. (1984). Maximum principles in differential equations. springer-verlag.
Chicago Edition CitationProtter, Murray H., and H.F Weinberger. Maximum Principles in Differential Equations. springer-verlag, 1984.
MLA Edition CitationProtter, Murray H., and H.F Weinberger. Maximum Principles in Differential Equations. springer-verlag, 1984.
Warning: These citations may not always be 100% accurate.