@article{10_4064_aa131_4_5,
     author = {J. Wu},
     title = {Chen's double sieve, {Goldbach's} conjecture and
 the twin prime problem, 2},
     journal = {Acta Arithmetica},
     pages = {367--387},
     publisher = {mathdoc},
     volume = {131},
     number = {4},
     year = {2008},
     doi = {10.4064/aa131-4-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa131-4-5/}
}