TUGboat, Volume 10 (1989), No. 3 407 An environment for multicolumn output*+ Frank Mittelbach Abstract This article describes th
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multicol - A screenplay with two columns only in some pages. And in one page there can be a mixed number of column - TeX - LaTeX Stack Exchange
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overleaf - How can I place a one-column-abstract in a two-column document in Latex? - Stack Overflow
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