@article{GDZPPN002355558, title = {On a conjecture of Bruckman.}, journal = {Mathematica Scandinavica}, volume = {44}, year = {1979}, pages = {225-230}, zbl = {0421.10002}, url = {http://dml.mathdoc.fr/item/GDZPPN002355558} }
Klove, Torleiv. On a conjecture of Bruckman.. Mathematica Scandinavica, Tome 44 (1979) pp. 225-230. http://gdmltest.u-ga.fr/item/GDZPPN002355558/