@article{1250127948,
author = {Alex, Leo J. and Foster, Lorraine L.},
title = {On diophantine equations of the form $1 + 2^a = p^b q^c + 2^d p^e q^f$},
journal = {Rocky Mountain J. Math.},
volume = {13},
number = {4},
year = {1983},
pages = { 321-332},
language = {en},
url = {http://dml.mathdoc.fr/item/1250127948}
}
Alex, Leo J.; Foster, Lorraine L. On diophantine equations of the form $1 + 2^a = p^b q^c + 2^d p^e q^f$. Rocky Mountain J. Math., Tome 13 (1983) no. 4, pp. 321-332. http://gdmltest.u-ga.fr/item/1250127948/