INSTABILITY OF SOLITARY WAVE SOLUTIONS OF A CLASS OF NONLINEAR DISPERSIVE SYSTEMS. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 96, p. 105–115, 2004. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/166. Acesso em: 14 dec. 2025.