Reihe Lecture Notes in MathematicsAlexandru Buium × Differential Function Fields and Moduli of Algebraic Varieties Alexandru BuiumSpringer BerlineBook2007 Differential Algebraic Groups of Finite Dimension Alexandru BuiumSpringer BerlineBook2006 Differential Algebraic Groups of Finite Dimension Alexandru BuiumSpringer BerlinSoftcover1992 Differential Function Fields and Moduli of Algebraic Varieties Alexandru BuiumSpringer BerlinSoftcover1986