@article{CMJ_2007__57_1_a27,
     author = {Che, Zhongyuan},
     title = {On $k$-pairable graphs from trees},
     journal = {Czechoslovak Mathematical Journal},
     pages = {377--386},
     publisher = {mathdoc},
     volume = {57},
     number = {1},
     year = {2007},
     mrnumber = {2309971},
     zbl = {1174.05106},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2007__57_1_a27/}
}