∫ Утверждение Mathlib
mem_resolventSet_of_norm_lt
Mathlib.Analysis.Normed.Algebra.Spectrum
URI: https://scilib.ai/kg/mathlib#spectrum.mem_resolventSet_of_norm_lt
∫ Утверждение Mathlib
Mathlib.Analysis.Normed.Algebra.Spectrum
URI: https://scilib.ai/kg/mathlib#spectrum.mem_resolventSet_of_norm_lt