Article Reference A Highly Configurationally Stable [4]Heterohelicenium Cation HERSE, Christelle, et al. HERSE, Christelle, et al. A Highly Configurationally Stable [4]Heterohelicenium Cation. Angewandte Chemie: International Edition in English, 2003, vol. 42, no. 27, p. 3162-3166 DOI : 10.1002/anie.200351443 Available at: http://archive-ouverte.unige.ch/unige:3238 Disclaimer: layout of this document may differ from the published version. 1 / 1