The University of Warwick Library - WebBridge

Companion forms and explicit computation of PGL 2 number fields with very little ramification
Mascot, Nicolas.  Journal of Algebra.  v. 509.   2018-12-20. p. 476 - 506... issn: 0021-8693 .   

Online access not found

Sorry - based on the information provided, WebBridge cannot offer appropriate links.