• R. Ibáñez

    Universidad del Pais Vasco, Bilbao, Spain
  • Aleksy Tralle

    University of Warmia and Mazury in Olsztyn, Poland
  • Pham Huu Tiep

    University of Arizona, Tucson, USA
  • Luis Ugarte

    Universidad de Zaragoza, Spain

Cite this article

R. Ibáñez, Aleksy Tralle, Pham Huu Tiep, Luis Ugarte, Erratum. Comment. Math. Helv. 76 (2001), no. 3, p. 576

DOI 10.1007/PL00000386