@article{10_4064_aa159_4_4,
     author = {Alessandro Languasco and Alessandro Zaccagnini},
     title = {On a ternary {Diophantine} problem with
 mixed powers of primes},
     journal = {Acta Arithmetica},
     pages = {345--362},
     publisher = {mathdoc},
     volume = {159},
     number = {4},
     year = {2013},
     doi = {10.4064/aa159-4-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa159-4-4/}
}