1. Algebraic Number Theory [Russian translation], J. W. S. Cussels and A. Fröhlich (eds.), Mir, Moscow (1969).
2. H. Cohn, A Classical Invitation to Algebraic Numbers and Class Fields, New York etc. (1978).
3. P. Deligne and J.-P. Serre, “Formes modulaires poids 1,” Ann. Sci. École Norm. Sup., Sér. 4, 7, 507–530 (1974).
4. R. M. Kaufman, “A. F. Lavrik’s truncated equations,” Zap. Nauchn. Semin. LOMI, 76, 124–158 (1978).
5. R. M. Kaufman, “Estimation of the Hecke L-functions on the critical line,” Zap. Nauchn. Semin. LOMI, 91, 40–51 (1979).