InverseJacobiND[z, m] == I EllipticK[1 - m] + z (Sqrt[1 - z^2]/Sqrt[z^2 - 1]) HypergeometricPFQ[{{1, 1/2}, {1/2}, {}}, {{3/2}, {1}, {}}, (-m) z^2, z^2]

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2001-10-29