@inproceedings{alberto2009$j$-embeddable, title={$J$-embeddable reducible surfaces}, author={Alberto Alzati, and Edoardo Ballico}, url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203630206539001}, booktitle={Arkiv for Matematik}, volume={49}, number={2}, pages={199-215}, year={2009}, }