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Can anybody please suggest how to implement equation two-column spanning this very way?

text in first column. text text in second column. tex
in first column. text in f t in second column. text i
irst column. text in first n second column. text in s
column. text in first colu econd column ...

Thanks! I appreciate your help.

Hi all, again!

I have another problem with the same class definition ws-ijcis.cls. I attach here too.
The error mainly with the lemma environment. I have


\begin{lemma}\label{lemma_name}
...
\end{lemma}


When I refer to this lemma by


\ref{lemma_name}


it gives me the following error ...

Thanks localghost! It worked!

Nikolay,

When I insert \footnotemark in the equation environment and place \footnotetext{...} just after the equation
\begin{equation*}
\left\{
\begin{aligned}
...,\\
...,\footnotemark,\\
\end{aligned}
\right\}
\end{equation*}
\footnotetext{...}
it gives me an error:
\ijcis\1\ws-ijcis.tex(393 ...

Thanks a lot, Nicolay!

That worked just fine!

Hi all,

I have an error "LaTeX Error: Command \equation* already defined" when I compile the .tex file which uses ws-ijcis.cls (attached to this post). However, when I comment out the line "\usepackage{amsmath}" the problem goes away.

But I need to use amsmath package for my math formulas.

Could ...