@article{ASENS_1988_4_21_4_623_0,
     author = {Libgober, A.},
     title = {Theta characteristics on singular curves, spin structures and {Rohlin} theorem},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {623--635},
     publisher = {Elsevier},
     volume = {Ser. 4, 21},
     number = {4},
     year = {1988},
     doi = {10.24033/asens.1570},
     mrnumber = {90e:14036},
     zbl = {0682.14020},
     language = {en},
     url = {http://www.numdam.org/articles/10.24033/asens.1570/}
}