Ayres, F. (1952). Theory and problems of differential equations. New York: Schaum's Publishing.
Citación estilo ChicagoAyres, Frank. Theory and Problems of Differential Equations. New York: Schaum's Publishing, 1952.
Cita MLAAyres, Frank. Theory and Problems of Differential Equations. New York: Schaum's Publishing, 1952.
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