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I have an integral that I find quite difficult, I can't obtain anything from mathematica (but I'm far from being an expert).

Would some of you have a hint ? is it analytical ? It seems to be a "simple" function, from the physicist I am it should be integrable...

this integral is :

[tex]\int_{-\infty}^{+\infty}Exp(-x^2)*Erf(x^2 - a^2)dx[/tex]

Thanks !

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# Integral, possible ?

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