@article{YangWang_2023, title={Parameterized complexity of multiwinner determination: more effort towards fixed-parameter tractability}, author={Yang, Yongjie and Wang, Jianxin}, issn={1573-7454}, doi={http://dx.doi.org/10.22028/D291-40179}, series={2}, volume={37}, publisher={Springer Nature}, journal={Autonomous Agents and Multi-Agent Systems}, year={2023} }