Points invariants dans le produit de quatre inversions de centres non coplanaires Gaston Casanova Papers Pages: 79 - 84
Hurwitz duality theorems for Fueter and Firac equations Julian LawrynowiczOsamu Suzuki Papers Pages: 113 - 132
Equations of motion for spinning massive particles over twistor fields Jaime KellerRobert M. Yamaleev Papers Pages: 141 - 166
Clifford algebra in classical electrodynamical hydrogen atom model V. M. SimulikI. Yu. Krivsky Erratum Pages: 167 - 168
Hermann Gunther Grassman (1809–1877) Visionary Mathematician, Scientist and Neohumanist Scholar. Papers from a Sesquicentennial Conference Editor: Gert Schubring Book Review Pages: 171 - 172