IntestazioneO'Brien, Matthew Usata in: Integrated Authority File (GND), Germany
VarianteO'Brien, M. LCAuth
Fonti esterne
Trovato inPND. — LCAuth. — WBIS. — Vorlage
Fonti a stampaMathematical Tracts
Retrat de Matthew O'Brien (1814-1855), matemàtic irlandès [Unknown authorUnknown author / MacTutor History of Mathematics: http://www-history.mcs.st-andrews.ac.uk/PictDisplay/OBrien.html -- Public domain -- http://commons.wikimedia.org/wiki/File:OBrien.jpg]