A permutational property of groups Mario CurzioPatrizia LongobardiDerek J. S. Robinson OriginalPaper Pages: 385 - 389
Center and commutativity for wreath products of ordered semigroups Ulrich KnauerAlexander Mikhalev OriginalPaper Pages: 397 - 402
ℓ-Überlagerungen von ℙ1\\(\{ \mathfrak{p}_1 ,\mathfrak{p}_2 ,\mathfrak{p}_3 \} \) Kay Wingberg OriginalPaper Pages: 413 - 417
Nearly planar Jordan curves spanning a given number of minimal immersions of the disc Norbert QuienFriedrich Tomi OriginalPaper Pages: 456 - 460
On critical sets of convex polyhedra Z. Dziechcińska-HalamodaW. Szwiec OriginalPaper Pages: 461 - 466
Topological affine planes composed of two desarguesian halfplanes and projective planes with trivial collineation group Günter F. Steinke OriginalPaper Pages: 472 - 480