Selberg, Atle (1949). “An elementary proof of Dirichlet's theorem about primes in an arithmetic progression”. 《Annals of Mathematics》 50 (2): 297–304. doi:10.2307/1969454. JSTOR1969454.
Selberg, Atle (1949). “An elementary proof of Dirichlet's theorem about primes in an arithmetic progression”. 《Annals of Mathematics》 50 (2): 297–304. doi:10.2307/1969454. JSTOR1969454.