Ayres Frank. (1952). Scham's outline of theory and problems of differential equations. New York: Schaum Publishing Company.
Chicago-stil citatAyres Frank. Scham's Outline of Theory and Problems of Differential Equations. New York: Schaum Publishing Company, 1952.
MLA-referensAyres Frank. Scham's Outline of Theory and Problems of Differential Equations. New York: Schaum Publishing Company, 1952.
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