@article{DMGT_2019_39_4_a13,
     author = {Xu, Xiaodong and Liang, Meilian and Radziszowski, Stanis{\l}aw},
     title = {A {Note} on {Upper} {Bounds} for {Some} {Generalized} {Folkman} {Numbers}},
     journal = {Discussiones Mathematicae. Graph Theory},
     pages = {939--950},
     publisher = {mathdoc},
     volume = {39},
     number = {4},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGT_2019_39_4_a13/}
}