Deformation of Lie algebras and Lie algebras of deformations Harald Bjar, Olav Arnfinn Laudal (1990) Compositio Mathematica
Déformations équisingulières des germes de courbes gauches réduites J. Briancon, A. Galligo, M. Granger (1980) Mémoires de la Société Mathématique de France
Deformations of theta divisors and the rank 4 quadrics problem Roy Smith, Robert Varley (1990) Compositio Mathematica
Determination of the poles of the topological zeta function for curves. Willem Veys (1995) Manuscripta mathematica