@article{GDZPPN002343843,
title = {Problem 14},
journal = {Mathematica Scandinavica},
volume = {3},
year = {1955},
pages = {172-172},
url = {http://dml.mathdoc.fr/item/GDZPPN002343843}
}
GOODSTEIN, R.L. Problem 14. Mathematica Scandinavica, Tome 3 (1955) p. 172. http://gdmltest.u-ga.fr/item/GDZPPN002343843/