2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/18359A nonlinear dynamics of the thermal and electromagnetic instability of critical state in type II superconductors has been analysed taking into account effects of dissipation and dispersion. An existance of a nonlinear running waves describing a final stage of evolution of the thermomagnetic instability in superconductors is demonstrated analitically.6 pages, LaTex fileSuperconductivitytext