L`oreille musicale

∂
∂=−ρ
∂
∂
∂
∂=−χ∂ ∂
(,) = ( π[ν−λ] + φ)
(,) = ( π[ν−λ] + φ)
ν
φ
=
=ρ=qρ
χ
=< >
=ρ
−