URN:NBN:SI:doc-3SVB0PCC2016Malnič, AleksanderPožar, Rokdocuments/doc/3/URN_NBN_SI_doc-3SVB0PCC_001.pdfdocuments/doc/3/URN_NBN_SI_doc-3SVB0PCC_001.txt110articlestr. 113-13415376749481855-3966URN:NBN:SI:doc-3SVB0PCCengUniverza na Primorskem, Fakulteta za matematiko, naravoslovje in informacijske tehnologijeArs mathematica contemporaneaBYabelian coveralgorithmCayley voltagescovering projectiongraphgroup extensiongroup presentationlifting automorphismslinear systems over the integerssemidirect productOn the split structure of lifted groups