%0 Journal Article
%A Alessandro Perotti
%T A differential criterium for regularity of quaternionic functions
%J Comptes Rendus. Mathématique
%D 2003
%P 89-92
%V 337
%N 2
%I Elsevier
%R 10.1016/S1631-073X(03)00284-X
%G en
%F CRMATH_2003__337_2_89_0