@article{10_4064_aa_83_2_155_169,
     author = {T. Peneva and D. Tolev},
     title = {An additive problem with primes and almost-primes},
     journal = {Acta Arithmetica},
     pages = {155--169},
     publisher = {mathdoc},
     volume = {83},
     number = {2},
     year = {1998},
     doi = {10.4064/aa-83-2-155-169},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-83-2-155-169/}
}