Klucký, Dalibor Isotopic invariants of natural planar ternary rings. (English) Zbl 0847.20064 Math. Bohem. 120, No. 3, 325-335 (1995). The author presents the invariant (geometrical) character of some properties of natural planar ternary rings by using isotopic transformations. Reviewer: C.Pereira da Silva (Curitiba) Cited in 1 Document MSC: 20N10 Ternary systems (heaps, semiheaps, heapoids, etc.) 51A25 Algebraization in linear incidence geometry Keywords:planar ternary rings; isotopic transformations PDF BibTeX XML Cite \textit{D. Klucký}, Math. Bohem. 120, No. 3, 325--335 (1995; Zbl 0847.20064) Full Text: EuDML EMIS