Reductions of an elliptic curve with almost prime orders Alina Carmen Cojocaru — 2005 Acta Arithmetica
The Erdős and Halberstam theorems for Drinfeld modules of any rank (with an appendix by Hugh Thomas) Alina Carmen Cojocaru — 2008 Acta Arithmetica
The modular degree and the congruence number of a weight 2 cusp form Alina Carmen Cojocaru; Ernst Kani — 2004 Acta Arithmetica