<div class="description">
Book digitized by Google from the library of the New York Public Library and uploaded to the Internet Archive by user tpb.</div>
<bdi><a href="https://en.wikipedia.org/wiki/en:Zoel_Garc%C3%ADa_de_Galdeano" class="extiw" title="w:en:Zoel García de Galdeano"><span title="Spanish mathematician and university teacher (1846-1924)">Zoel García de Galdeano</span></a>
</bdi>
<a href="//archive.org/details/algunasconsider00galdgoog" class="extiw" title="iarchive:algunasconsider00galdgoog">Internet Archive identifier</a>