The heptagon-wheel cocycle in the Kontsevich graph complex

Buring, Ricardo / Kiselev, Arthemy V. / Rutten, Nina J. | British Library Online Contents | 2017

Deviations de moyennes ergodiques, flots de Teichmuller et cocycle de Kontsevich-Zorich [d'apres Forni, Kontsevich, Zorich...]

Krikorian, R. / American Concrete Institute | British Library Conference Proceedings | 2005

From Pentagon to Heptagon: A Discovery on the Generation of the Regular Heptagon from the Equilateral Triangle and Pentagon

Reynolds, Mark A. | Springer Verlag | 2001

Analysis of the so‐called "lemma of archimedes" for constructing a regular heptagon

TAISBAK, CHRISTIAN MARINUS | British Library Online Contents | 1993

Gothic Construction and the Traça of a Heptagonal Apse: The Problem of the Heptagon

Lluis i Ginovart, Josep / Anguera, Gerard Fortuny / Jover, Agustí Costa et al. | Springer Verlag | 2013