AYRES, J. F. (1952). Schaum's outline of theory and: Problems of differential equations. McGraw-Hill.
Chicago-čujuhus (17. p.)AYRES, Jr. Frank. Schaum's Outline of Theory and: Problems of Differential Equations. New York: McGraw-Hill, 1952.
MLA-čujuhus (9. p.)AYRES, Jr. Frank. Schaum's Outline of Theory and: Problems of Differential Equations. McGraw-Hill, 1952.
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