@article{GDZPPN002360888,
title = {The converse to Alexandre Froda's irrationality criterion.},
journal = {Mathematica Scandinavica},
volume = {69},
year = {1991},
pages = {5-18},
zbl = {0731.11042},
url = {http://dml.mathdoc.fr/item/GDZPPN002360888}
}
Sanker, David. The converse to Alexandre Froda's irrationality criterion.. Mathematica Scandinavica, Tome 69 (1991) pp. 5-18. http://gdmltest.u-ga.fr/item/GDZPPN002360888/