@article{10_4064_aa145_2_7,
     author = {Alessandro Languasco and Alessandro Zaccagnini},
     title = {On a {Diophantine} problem with two primes
 and $s$ powers of two},
     journal = {Acta Arithmetica},
     pages = {193--208},
     publisher = {mathdoc},
     volume = {145},
     number = {2},
     year = {2010},
     doi = {10.4064/aa145-2-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa145-2-7/}
}