On the principal centers of a triangle

  • Michael S. Longuet-Higgins

    University of California, San Diego, La Jolla, USA

Cite this article

Michael S. Longuet-Higgins, On the principal centers of a triangle. Elem. Math. 56 (2001), no. 3, pp. 122–129

DOI 10.1007/PL00000545