Exact solutions for a ferromagnet with Dzyaloshinskii-Moriya interaction Nicolás Grandi, Marcela Lagos, Julio Oliva and Aldo Vera Eur. Phys. J. B, 92 11 (2019) 244 Published online: 04 November 2019 DOI: 10.1140/epjb/e2019-100395-3