%0 Journal Article %A Libgober, A. %T Theta characteristics on singular curves, spin structures and Rohlin theorem %J Annales scientifiques de l'École Normale Supérieure %D 1988 %P 623-635 %V 21 %N 4 %I Elsevier %U http://www.numdam.org/articles/10.24033/asens.1570/ %R 10.24033/asens.1570 %G en %F ASENS_1988_4_21_4_623_0