Spiegel Murray
Theory And Problems Of Calculus Of Finite Differences And Difference Equations - 0 - New York Mcgraw-Hill Book Company 1971 - ,;ill.
07-060218-2
QA 431.S62 1971
Theory And Problems Of Calculus Of Finite Differences And Difference Equations - 0 - New York Mcgraw-Hill Book Company 1971 - ,;ill.
07-060218-2
QA 431.S62 1971