Matthew Retchin edited Introduction.tex  over 9 years ago

Commit id: 7c7574580787a9f5728443519e710546926d01bc

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\section{Introduction}  $\sum{http://www.mathmodels.org/problems/probview.php?probnum=20095}$ $\sum_i^N{\text{http://www.mathmodels.org/problems/probview.php?probnum=20095}}$