Babbitt, D. G.; Varadarajan, V. S. Local moduli for meromorphic differential equations. (English) Zbl 0683.34003 Centre National de la Recherche Scientifique. Astérisque, 169-170. Paris: Société Mathématique de France. 217 p. FF 160.00; $ 27.00 (1989). Reviewer: S.Mirica MSC: 34M99 14H15 × Cite Format Result Cite Review PDF
Babbitt, D. G.; Varadarajan, V. S. Local isoformal deformation theory for meromorphic differential equations near an irregular singularity. (English) Zbl 0668.34010 Deformation theory of algebras and structures and applications, Nato Adv. Study Inst., Castelvecchio-Pasoli/Italy 1986, Nato ASI Ser., Ser. C 247, 583-700 (1988). Reviewer: S.Kosarew MSC: 34M35 32G13 34A25 × Cite Format Result Cite Review PDF