Grasping the phantom – a new approach to nonlinear spectral theory P. SantucciM. Väth OriginalPaper 01 September 2001 Pages: 255 - 284
On periodic solutions of even-order ordinary differential equations Ivan KiguradzeTakaŝi Kusano OriginalPaper 01 September 2001 Pages: 285 - 301
Foliations with transversal quaternionic structures Paolo PiccinniIzu Vaisman OriginalPaper 01 September 2001 Pages: 303 - 330
On the homotopy type of Poincaré spaces Alberto CavicchioliFulvia Spaggiari OriginalPaper 01 September 2001 Pages: 331 - 358
Some presentations for the special linear groups on finite fields Giampiero Chiaselotti OriginalPaper 01 September 2001 Pages: 359 - 372
Proprietà di 20 ordine di un riferimento isotropo R. AntonelliG. Ferrarese OriginalPaper 01 September 2001 Pages: 373 - 385