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1 - Calculus of finite differences - Fourth edition
Boole, George (1815-1864)   /   Moulton, John Fletcher (1844-1921) (Ed.)

Cote : [47.8 BOO 58]

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3 - The Boole-De Morgan correspondence, 1842-1864
Smith, Gordon C. (Ed.)   /   Boole, George (1815-1864)   /   De Morgan, Augustus (1806-1871)

Cote : [05 SMI 82]