(m Subscript[z, 1]^2 Subscript[z, 2]^2 - 1)^2 JacobiSN[w[Subscript[z, 1]] + w[Subscript[z, 2]], m]^4 - 2 (((m (Subscript[z, 1]^2 + Subscript[z, 2]^2) - 2 (m + 1)) Subscript[z, 2]^2 + 1) Subscript[z, 1]^2 + Subscript[z, 2]^2) JacobiSN[w[Subscript[z, 1]] + w[Subscript[z, 2]], m]^2 + (Subscript[z, 1]^2 - Subscript[z, 2]^2)^2 == 0 /; w[z] == InverseJacobiSN[z, m]

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2001-10-29