Irwin Greenberg

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In a recent note in this journal Gillis and Weiss [1] have evaluated as a finite sum, and found a recurrence relation for, the integral (1) Cnt = / e~xLr(x)L,(x)L,(x) dx, Jo which gives the coefficients in the expansion Lr(x)Ls(x) = ^CtLtix), where L " (x) denotes the Laguerre polynomial, (2) L " (x) = Z(-l)'(ri)//r! This attracted my interest since about(More)
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