@article{1183383722,
author = {Langford, C. H.},
title = {Review: Alice L. Ambrose, The Nature of the Question, "Are there Three Consecutive 7's in the Expansion of $\pi$?"},
journal = {J. Symbolic Logic},
volume = {2},
number = {2},
year = {1937},
pages = { 171-172},
language = {en},
url = {http://dml.mathdoc.fr/item/1183383722}
}
Langford, C. H. Review: Alice L. Ambrose, The Nature of the Question, "Are there Three Consecutive 7's in the Expansion of $\pi$?". J. Symbolic Logic, Tome 2 (1937) no. 2, pp. 171-172. http://gdmltest.u-ga.fr/item/1183383722/