Konstruktion topologischer affiner Ebenen mit nichtstetigem Parallelismus durch Knicken von Geraden Eberhard Eisele OriginalPaper Pages: 237 - 262
Integral relations for pointed curves in a real projective plane Roberto Pignoni OriginalPaper Pages: 263 - 287
Helly-type theorems for bodies in the plane with common supports Robert J. M. Dawson OriginalPaper Pages: 289 - 299
The Borsuk conjecture holds for convex bodies with a belt of regular points Boris V. Dekster OriginalPaper Pages: 301 - 306
Identical relations for the forms with a Young symmetry I. L. KantorI. M. Trishin OriginalPaper Pages: 307 - 321
Convexity theories III. Classification of certain real convexity theories Helmut Röhrl OriginalPaper Pages: 323 - 340
