\[\int_{0}^{\infty}{\mathrm{e}}^{(a-b)t}\operatorname{erfc}\left(-\sqrt{at}+%
\sqrt{\frac{c}{t}}\right)\,\mathrm{d}t=\frac{{\mathrm{e}}^{2(\sqrt{ac}-\sqrt{%
bc})}}{\sqrt{b}(\sqrt{b}-\sqrt{a})},\]