Items where Author is "Hegyi, Csaba"
Group by: Item Type | No Grouping Jump to: Article Number of items: 1. ArticleHegyi, Csaba (2012) The sign of addition and the symbolic content in Bólyai-Geometry. Pollack Periodica, 7 (Supple). pp. 193-198. ISSN 1788-1994 |