Boole, George, 1815-1864. A treatise on the calculus of finite differences. [electronic resource] / By George Boole ... Edited by J.F. Moulton .... — 3d ed.. — New York: : Stechert,, 1946.. — iv, 52 p. 19 cm.

Originally published in 1880.




Difference equations.
Functional equations.