Discontinuous Groups of Isometries in the Hyperbolic Plane de Gruyter Studies in Mathematics, nr. 29 Autor Werner Fenchel et al. 15 dec 2002 Hardback Preț: 1086.71 lei 1411.31 lei 6-8 săpt. -23%
Elementary Geometry in Hyperbolic Space de Gruyter Studies in Mathematics, nr. 11 Autor Werner Fenchel 30 apr 1989 Hardback Preț: 1003.30 lei 1302.99 lei 6-8 săpt. -23%