Polak, Vaclav On existence of a simple skew polygon in \(E_ 3\) with prescribed directions of sides. (Czech) Zbl 0112.12802 Cas. Pěst. Mat. 87, 267-282 (1962). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:elementary geometry PDF BibTeX XML Cite \textit{V. Polak}, Čas. Pěstování Mat. 87, 267--282 (1962; Zbl 0112.12802) OpenURL