@article{ASENS_2003_4_36_1_57_0,
     author = {Kriz, Igor},
     title = {On spin and modularity in conformal field theory},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {57--112},
     publisher = {Elsevier},
     volume = {Ser. 4, 36},
     number = {1},
     year = {2003},
     doi = {10.1016/S0012-9593(03)00003-X},
     mrnumber = {1987977},
     zbl = {1028.81050},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/S0012-9593(03)00003-X/}
}