I am looking for some  **introductory**  reference concerning Automorphisms (of finite order) on K3 surfaces. Any suggestion?



Reference for Automorphisms of K3 surfaces
You may consult


Kondō, Shigeyuki Quadratic forms and K3. Enriques surfaces [translation of Sûgaku 42 (1990), no. 4, 346–360; MR1083944 (92b:14018)]. Sugaku Expositions. Sugaku Expositions 6 (1993), no. 1, 53–72.


