%0 Journal Article
%A J. C. F. Costa
%A L. F. Martins,
%A J. J. Nuño-Ballesteros
%T On the index of principal foliations of surfaces in R^3 with corank 1 singularities
%J Journal of Singularities
%D 2020
%P 1-16
%V 22
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.5427/jsing.2020.22a/
%R 10.5427/jsing.2020.22a
%F 10_5427_jsing_2020_22a