@article{ADM_2016_22_2_a9,
     author = {Igor Protasov},
     title = {On $n$-stars in colorings and orientations of graphs},
     journal = {Algebra and discrete mathematics},
     pages = {301--303},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2016_22_2_a9/}
}