URN:NBN:SI:doc-D22UR0012021Petelczyc, KrzysztofPrażmowski, KrzysztofŻynel, Mariuszdocuments/doc/D/URN_NBN_SI_doc-D22UR001_001.pdfdocuments/doc/D/URN_NBN_SI_doc-D22UR001_001.txt120articlestr. 151-17010.26493/1855-3974.2201.b651855-396691621635URN:NBN:SI:doc-D22UR001engUniverza na Primorskem, Fakulteta za matematiko, naravoslovje in informacijske tehnologijeArs mathematica contemporaneaBYcoplanarityGrassmann spaceGrassmannov prostorkoplanarnostogrodni prostorpahljača premicpencil of linespolar spacepolarni prostorprojective spaceprojektivni prostorspine spaceGeometry of the parallelism in polar spine spaces and their line reducts