@article{10_37236_1989,
     author = {Jonas Sj\"ostrand},
     title = {The cover pebbling theorem},
     journal = {The electronic journal of combinatorics},
     year = {2005},
     volume = {12},
     doi = {10.37236/1989},
     zbl = {1081.05048},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1989/}
}