∫ Утверждение Mathlib
delta_mul
Mathlib.NumberTheory.LSeries.Dirichlet
URI: https://scilib.ai/kg/mathlib#DirichletCharacter.delta_mul
∫ Утверждение Mathlib
Mathlib.NumberTheory.LSeries.Dirichlet
URI: https://scilib.ai/kg/mathlib#DirichletCharacter.delta_mul