@article{05688296,
title = {On determining paint by numbers puzzles with nonunique solutions.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {12},
year = {2009},
zbl = {1213.05019},
language = {en},
url = {http://dml.mathdoc.fr/item/05688296}
}
Mullen, Ryan. On determining paint by numbers puzzles with nonunique solutions.. Journal of Integer Sequences [electronic only], Tome 12 (2009) . http://gdmltest.u-ga.fr/item/05688296/