%0 Journal Article %A Graziano Gentili %A Daniele C. Struppa %T A new approach to Cullen-regular functions of a quaternionic variable %J Comptes Rendus. Mathématique %D 2006 %P 741-744 %V 342 %N 10 %I Elsevier %R 10.1016/j.crma.2006.03.015 %G en %F CRMATH_2006__342_10_741_0