On jutila numbers
Tài liệu tham khảo
Jutila, 1973, On numbers with a large prime factor, Jour. Indian Math. Soc., 37, 43
H.L. Montgomery and R.C. Vaughan, The exceptional set in Goldbach's problem, Acta Arith. (to appear in the Linnik issue).
K. Ramachandra, Some problems of analytic number theory, Acta Arith. 31, no. 2.