%0 Journal Article
%A Nygaard, Niels O.
%T Closedness of regular $1$-forms on algebraic surfaces
%J Annales scientifiques de l'École Normale Supérieure
%D 1979
%P 33-45
%V 12
%N 1
%I Elsevier
%U http://archive.numdam.org/articles/10.24033/asens.1360/
%R 10.24033/asens.1360
%G en
%F ASENS_1979_4_12_1_33_0