Evans, G. C. (1964). Functionals and their applications: Selected topics including integral equations. Dover Publications.
Chicago-viite (17. p.)Evans, Griffith Conrad. Functionals and Their Applications: Selected Topics Including Integral Equations. New York: Dover Publications, 1964.
MLA-viite (9. p.)Evans, Griffith Conrad. Functionals and Their Applications: Selected Topics Including Integral Equations. Dover Publications, 1964.
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