Dual operators and Lagrange inversion in
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Luis Verde-Star
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Article
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1985
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Elsevier Science
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English
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The original Lagrange inversion formula, which gives explicitly the inverse under composition of a formal series, was obtained by Lagrange in 1770 through formal computations involving logarithms of inlmite products. See Lagrange [ 121. There exists an extensive literature on various versions of th