Suggested literature:
G.R. Kempf: Algebraic varieties. London Mathematical Society Lecture Note
Series. 172. Cambridge: Cambridge University Press. 1993. x, 163 p.
A. Schmitt: Homological algebra, lecture notes.
J.L. Taylor: Several complex variables with connections to algebraic
geometry and Lie groups. Graduate Studies in Mathematics. 46. Providence,
RI: American Mathematical Society. 2002. xvi, 507 p.