Kells, L. M. (1954). Elementary Differential Equations. New York: McGraw-Hill.
Style de citation ChicagoKells, Lyman M. Elementary Differential Equations. New York: McGraw-Hill, 1954.
Style de citation MLAKells, Lyman M. Elementary Differential Equations. New York: McGraw-Hill, 1954.
Attention : ces citations peuvent ne pas être correctes à 100%.