Prażmowska, Małgorzata; Prażmowski, Krzysztof An axiom system describing generate hyperbolic planes in terms of directed parallelity. (English) Zbl 0677.51006 Demonstr. Math. 21, No. 4, 913-842 (1988). Reviewer: R.Koch MSC: 51A45 51M10 51A15 51A20 PDFBibTeX XMLCite \textit{M. Prażmowska} and \textit{K. Prażmowski}, Demonstr. Math. 21, No. 4, 913--842 (1988; Zbl 0677.51006)
Lewandowski, Grzegorz M.; Prażmowski, Krzysztof One-dimensional elliptic bundle of symmetries or Euclidean bundle of co- punctual lines. (English) Zbl 0616.51015 Zesz. Nauk., Geom. 15, 27-38 (1986). Reviewer: K.Strubecker MSC: 51M10 51F15 51N25 PDFBibTeX XMLCite \textit{G. M. Lewandowski} and \textit{K. Prażmowski}, Zesz. Nauk., Geom. 15, 27--38 (1986; Zbl 0616.51015)