@article{10_4064_aa154_4_4,
     author = {Alessandro Languasco and Valentina Settimi},
     title = {On a diophantine problem with one prime,
 two squares of primes and $s$ powers of two},
     journal = {Acta Arithmetica},
     pages = {385--412},
     publisher = {mathdoc},
     volume = {154},
     number = {4},
     year = {2012},
     doi = {10.4064/aa154-4-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa154-4-4/}
}