Ayres, F. (1972). Theory and problems of differential equations. McGraw - Hill.
Style de citation ChicagoAyres, Frank. Theory and Problems of Differential Equations. New York: McGraw - Hill, 1972.
Style de citation MLAAyres, Frank. Theory and Problems of Differential Equations. McGraw - Hill, 1972.
Attention : ces citations peuvent ne pas être correctes à 100%.