@article{1250127153,
author = {Alex, Leo J. and Foster, Lorraine L.},
title = {On the Diophantine equation $1 + p^a = 2 + 2^b + 2^c p^d$},
journal = {Rocky Mountain J. Math.},
volume = {15},
number = {4},
year = {1985},
pages = { 739-762},
language = {en},
url = {http://dml.mathdoc.fr/item/1250127153}
}
Alex, Leo J.; Foster, Lorraine L. On the Diophantine equation $1 + p^a = 2 + 2^b + 2^c p^d$. Rocky Mountain J. Math., Tome 15 (1985) no. 4, pp. 739-762. http://gdmltest.u-ga.fr/item/1250127153/