Q4788044
type: Item
instance of: scholarly article
zbMATH Open document ID: 1003.54013
author: R. R. Fajzullin
publication date: 2003-01-19T00:00:00Z
Mathematics Subject Classification ID: 54E35
Mathematics Subject Classification ID: 51K10
zbMATH DE Number: 1855642
zbMATH Keywords: Lobachevskij plane
zbMATH Keywords: law of cosines
zbMATH Keywords: parallel angle
MaRDI profile type: Publication
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description: scientific article; zbMATH DE number 1855642