AYRES, J. F. (1952). Schaum's outline of theory and: Problems of differential equations. McGraw-Hill.
Cita Chicago (17th ed.)AYRES, Jr. Frank. Schaum's Outline of Theory and: Problems of Differential Equations. New York: McGraw-Hill, 1952.
Cita MLA (9th ed.)AYRES, Jr. Frank. Schaum's Outline of Theory and: Problems of Differential Equations. McGraw-Hill, 1952.
Atenció: Aquestes cites poden no estar 100% correctes.