French mathematician Pierre Boutroux (1880-1922)
Unknown author<span style="display: none;">Unknown author</span>
before 1922 <div style="display: none;">date QS:P,+1922-00-00T00:00:00Z/7,P1326,+1922-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external autonumber" href="http://www-history.mcs.st-andrews.ac.uk/history/PictDisplay/Boutroux.html">[1]</a>