@article{DMTCS_2019_21_4_a15,
     author = {Bai, Zongwen and Tu, Jianhua and Shi, Yongtang},
     title = {An improved algorithm for the vertex cover $P_3$ problem on graphs of bounded treewidth},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {21},
     number = {4},
     year = {2019},
     doi = {10.23638/DMTCS-21-4-17},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.23638/DMTCS-21-4-17/}
}