2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/52363The first results, both positive and negative, recently obtained in the area of constructing stationary spinning solitons in flat Minkowski space in 3+1 dimensions are discussed.10 pages, Talk given at the Seventh Hungarian Relativity Workshop, 10--15 August, 2003, Sarospatak, HungaryHigh Energy Physics - Theorytext