APA
Gustafson K. E., . (1987). Introduction to partial differential equations and hilbert space methods. New York: John Wiley.
Chicago
Gustafson Karl E, . 1987. Introduction to partial differential equations and hilbert space methods. New York: John Wiley.
Harvard
Gustafson K. E., . (1987). Introduction to partial differential equations and hilbert space methods. New York: John Wiley.
MLA
Gustafson Karl E, . Introduction to partial differential equations and hilbert space methods. New York: John Wiley. 1987.
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