Helices on some Fano threefolds : constructivity of semiorthogonal bases of K 0 D. Yu. Nogin (1994) Annales scientifiques de l'École Normale Supérieure
Hilbert's Theorem 90 for K2, with Application to the Chow Groups of Rational Surfaces. Jean-Louis Colliot-Thélène (1983) Inventiones mathematicae