@article{10_1007_s10587_014_0151_4,
     author = {An, Mingqiang and Lai, Hong-Jian and Li, Hao and Su, Guifu and Tian, Runli and Xiong, Liming},
     title = {Two operations on a graph preserving the (non)existence of 2-factors in its line graph},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1035--1044},
     publisher = {mathdoc},
     volume = {64},
     number = {4},
     year = {2014},
     doi = {10.1007/s10587-014-0151-4},
     mrnumber = {3304796},
     zbl = {06433712},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1007/s10587-014-0151-4/}
}