@article{IM_1985__80_143226,
     author = {G. Ellingsrud and L. Gruson and C. Peskine},
     title = {On the normal bundle of curves on smooth projective surfaces.},
     journal = {Inventiones mathematicae},
     pages = {181--184},
     publisher = {mathdoc},
     volume = {80},
     year = {1985},
     zbl = {0629.14026},
     url = {http://geodesic.mathdoc.fr/item/IM_1985__80_143226/}
}