Kells, L. M. (1965). Elementary differential equations (Ed.6.). Mc Graw - Hill.
Style de citation ChicagoKells, Lyman M. Elementary Differential Equations. Ed.6. New Delhi: Mc Graw - Hill, 1965.
Style de citation MLAKells, Lyman M. Elementary Differential Equations. Ed.6. Mc Graw - Hill, 1965.
Attention : ces citations peuvent ne pas être correctes à 100%.