Ayres, F. (1952). Schaum's outline of theory and problems of differential equations.
Stile di citazione ChicagoAyres, Frank. Schaum's Outline of Theory and Problems of Differential Equations. Schaum's Outline Series, Singapore, 1952.
Citazione MLAAyres, Frank. Schaum's Outline of Theory and Problems of Differential Equations. 1952.
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