(1982). Variational principles and free-boundary problems / Avner Friedman, Department of Mathematics, Northwestern University.
Chicago Style (17. basım) AtıfVariational Principles and Free-boundary Problems / Avner Friedman, Department of Mathematics, Northwestern University. 1982.
MLA (9th ed.) AtıfVariational Principles and Free-boundary Problems / Avner Friedman, Department of Mathematics, Northwestern University. 1982.
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