Integrate[z Cosh[b z^2] Erf[c + a z], z] == -((a (a^2 - b) Sqrt[a^2 + b] Erf[(a c + a^2 z + b z)/Sqrt[a^2 + b]])/ E^((b c^2)/(a^2 + b)) + (a^2 + b) (a Sqrt[-a^2 + b] E^((b c^2)/(a^2 - b)) Erfi[((-a) c - a^2 z + b z)/Sqrt[-a^2 + b]] + 2 (a^2 - b) Erf[c + a z] Sinh[b z^2]))/(4 ((-a^4) b + b^3))

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2001-10-29