D[WeierstrassPPrime[z, {Subscript[g, 2], Subscript[g, 3]}], {z, k}] == (-1)^(k - 1) (k + 2)! Sum[1/(z - 2 m Subscript[\[Omega], 1] - 2 n Subscript[\[Omega], 3])^ (3 + k), {m, -Infinity, Infinity}, {n, -Infinity, Infinity}] /; Element[k, Integers] && k > 0

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2001-10-29