Schaum's outline of theory and problems of partial differential equations by DuChateau, Paul

Asymptotics of high order differential equations by Paris, R. B.

Schaum's outline of theory and problems of partial differential equations by DuChateau, Paul

Stochastic wave propagation by Sobczyk, Kazimierz

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The analysis of linear partial differential operators IV by Hormander, Lars

The analysis of linear partial differential operators by Hormander, Lars

Solving equations with physical understanding by Squire, P. T. (Patrick T.)

Elementary differential equations with boundary value problems by Powers, David L.

Stochastic differential equations an introduction with applications. by Oksendal, B. K. (Bernt Karsten) 1945-

A systems approach to the multi-port lossless inverse scattering problem by Rao, C.V.K. Prabhakava