Williamson, Richard E.
Multivariable mathematics : linear algebra calculus differential equations / Richard E. Williamson and Hale F. Trotter
Prentice-Hall, 1979
 Buku Teks
Lanczos, Cornelius, 1893-
Linear differential operators
Society for Industrial and Applied Mathematics, 1996
 eBooks
Kaplan, Wilfred
Operational methods for linear systems
Addison-Wesley, 1962
 Buku Teks
Churchill, Ruel V., 1899-1987
Operational mathematics
McGraw-Hill, 1972
 Buku Teks
Morris, W.D.
Differential equations for engineers and applied scientists / W. D. Morris
McGraw-Hill, 1974
 Buku Teks