Mullhaupt, Ph.2009-07-032009-07-032009-07-032009https://infoscience.epfl.ch/handle/20.500.14299/41024Review of "Generalized Differential Galois Theory." P. Landesmann, Trans. Amer. Math. Soc. 360 (2008) no. 8, pp 4441-4495.text::journal::journal article::review article