According to the review of Reinhard Siegmund-Schultze, Sørensen, Henrik Kragh, Louis Olivier: a mathematician only known through his publications in Crelle’s journal during the 1820sLouis Olivier: a mathematician only known through his publications in Crelle’s journal during the 1820s, Centaurus 48, No. 3, 201-231 (2006). ZBL1115.01012., "ventures several hypotheses, including that ‘Olivier’ was a pseudonym. From the information revealed in this article the reviewer is inclined not even to rule out that Olivier and Crelle were the same person."