@article{MS2_1989__65_2_167079, author = {A.J. Sommese and M. Beltrametti}, title = {On the relative adjunction mapping.}, journal = {Mathematica Scandinavica}, pages = {189--205}, publisher = {mathdoc}, volume = {65}, number = {2}, year = {1989}, zbl = {0717.14003}, url = {http://geodesic.mathdoc.fr/item/MS2_1989__65_2_167079/} }