On the motion and deformation of two fluid particles in an electric field. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 88, p. 21–42, 1996. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/376. Acesso em: 15 dec. 2025.