@article{10_4064_am_19_3_4_569_577,
     author = {W. Rytter},
     title = {Remarks on pebble games on graphs},
     journal = {Applicationes Mathematicae},
     pages = {569--577},
     publisher = {mathdoc},
     volume = {19},
     number = {3-4},
     year = {1987},
     doi = {10.4064/am-19-3-4-569-577},
     zbl = {0721.90095},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-19-3-4-569-577/}
}