Lax, Peter
Springer-Verlag, , 1979
Buku Teks
Adams, William J., author
Xerox College, 1975
Buku Teks
Anton, Howard, author
John Wiley & Sons, 1980
Buku Teks
Hoffman, Laurence D., author
McGraw-Hill, 1975
Buku Teks
Golstein, Larry J., author
Prentice-Hall, 1984
Buku Teks