/ . . . – ./ / / / / / / / → /, . ( ) ( /). , – . “//..//-” / – ./ . , . , . ./ / – . . . ./ . . “//..//-/” / . “//..///.” / ./ / . / τ → −/τ, τ θ/π + π/²// τ – (θ) . , . (τ) (−/τ) (τ), ./ / – / / / / / / / , . ./ / . / , – . – ./ . – . “//..//” / ./ / / , ≥. – . . — ./ . . – . ./ / , . , . ./ . , . ./ / . . – ./ . . ./ / – / – , . – – ./ / . , ./ / – . – ./ – / – τ θ/π + π/². – ./ / . ./ / , . ./ / , – , . ./