Protter, M. H., & Weinberger, H. F. (1984). Maximum principles in differential equations. Springer-Verlag.
Dyfyniad Arddull ChicagoProtter, Murray H., and Hens F. Weinberger. Maximum Principles in Differential Equations. NewYork: Springer-Verlag, 1984.
Dyfyniad MLAProtter, Murray H., and Hens F. Weinberger. Maximum Principles in Differential Equations. Springer-Verlag, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.