\input zb-basic
\input zb-ioport
\iteman{io-port 70773258}
\itemau{Qi, Xiangwei; Abaydulla, Yusup}
\itemti{The study of web-based online mathematical expression recognizing technologies}
\itemso{GrC, 471-476 (2009).}
\itemcc{}
\itemut{}
\itemli{doi:10.1109/GRC.2009.5255077}
\end