%0 Journal Article
%A Juán Rada Universida de los Andes
%A Merida
%A Venezuela
%T Nonderogatory directed windmills
%J Revista colombiana de matematicas
%D 2008
%P 61-66
%V 42
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RCM_2008_42_1_a5/
%F RCM_2008_42_1_a5