Trace forms of Galois extensions in the presence of a fourth root of unity.Published in:IMRN: International Mathematics Research Notices, 2004, v. 2004, n. 8, p. 389, doi. 10.1155/s1073792804130456By:Mináč, J.;Reichstein, Z.Publication type:Article
Periodic orbits for exact magnetic flows on surfaces.Published in:IMRN: International Mathematics Research Notices, 2004, v. 2004, n. 8, p. 361, doi. 10.1155/S1073792804205050By:Contreras, Gonzalo;Macarini, Leonardo;Paternain, Gabriel P.Publication type:Article