\documentclass{amsart}
\usepackage{amsmath, amsthm, amscd, amsfonts, txfonts, latexsym, mathtools}
\usepackage{upgreek}


\begin{document}
I should type symbol $\upphi$ and I know it's package is "upgreek", \\
 but I face with a problem. Do I type it with another package or oher way?

\end{document}