%0 Journal Article
%T in short intervals
%J -
%D 1993
%R DOI Code: 10.1285/i15900932v13n2p309
%X Twin prime problem is well known in number theory. Sieve methods can only detect almost-primes because of parity phenomenon.Switching principle allowed Chen to get . By a suitable weighted sieve, we prove that the representation occurs with the expected frequency in short intervals
%U http://siba-ese.unisalento.it/index.php/notemat/article/view/1032