%0 Journal Article %A Alessandro Languasco %A Valentina Settimi %T On a diophantine problem with one prime, two squares of primes and $s$ powers of two %J Acta Arithmetica %D 2012 %P 385-412 %V 154 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa154-4-4/ %R 10.4064/aa154-4-4 %G en %F 10_4064_aa154_4_4