@article{GDZPPN002235463, title = {On canonical fibrations of algebraic surfaces.}, journal = {Manuscripta mathematica}, volume = {83}, year = {1994}, pages = {161-170}, zbl = {0827.14026}, url = {http://dml.mathdoc.fr/item/GDZPPN002235463} }
Sun, Xiaotao. On canonical fibrations of algebraic surfaces.. Manuscripta mathematica, Tome 83 (1994) pp. 161-170. http://gdmltest.u-ga.fr/item/GDZPPN002235463/