@article{10_1090_S0894_0347_1991_1076513_1,
     author = {Green, Mark and Lazarsfeld, Robert},
     title = {Higher obstructions to deforming cohomology groups of line bundles},
     journal = {Journal of the American Mathematical Society},
     pages = {87--103},
     publisher = {mathdoc},
     volume = {04},
     number = {1},
     year = {1991},
     doi = {10.1090/S0894-0347-1991-1076513-1},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1991-1076513-1/}
}