Kells, L. M. (1935). Elementary differential equations (2nd ed.). McGraw-Hill Book Co., Inc.
Style de citation Chicago (17e éd.)Kells, Lyman Morse. Elementary Differential Equations. 2nd ed. New York: McGraw-Hill Book Co., Inc, 1935.
Style de citation MLA (9e éd.)Kells, Lyman Morse. Elementary Differential Equations. 2nd ed. McGraw-Hill Book Co., Inc, 1935.
Attention : ces citations peuvent ne pas être correctes à 100%.