@article{RLIN_1991_9_2_3_a5,
     author = {De Michelis, Stefano},
     title = {Line bundles with \( c_{1} {(L)^{2}} = 0 \). {Higher} order obstruction},
     journal = {Atti della Accademia nazionale dei Lincei. Rendiconti Lincei. Matematica e applicazioni},
     pages = {219--224},
     publisher = {mathdoc},
     volume = {Ser. 9, 2},
     number = {3},
     year = {1991},
     zbl = {0764.57015},
     mrnumber = {1120126},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RLIN_1991_9_2_3_a5/}
}