Stabilization of electromagnetic solitons in thin films of topological insulators by constant electric fieldMikhail B. Belonenko, Natalia N. Konobeeva and Olga U. TuzalinaEur. Phys. J. B, 87 9 (2014) 192DOI: https://doi.org/10.1140/epjb/e2014-50212-4