begin{equation}begin{split}
& A_{t}(r,theta)=[frac{alpha^{0}(frac{r}{2M}) + beta^{0}}{r}]p_{0} + frac{alpha^{1}(frac{r}{2M} (-frac{r}{2M} + 1)) \
&qquad + beta^{1}(frac{r}{2M}(1-frac{r}{2M}) (2ln(frac{r}{r-2M} - frac{2M}{r} - frac{1}{frac{r}{2M} - 1})))}{r} p_{1}(costheta)\ + ...Bigr,
end{split}
label{eq1}
end{equation}