URN:NBN:SI:doc-RDHS9IPP1993Kejžar, Bogdandocuments/doc/R/URN_NBN_SI_doc-RDHS9IPP_001.pdfdocuments/doc/R/URN_NBN_SI_doc-RDHS9IPP_001.txt221articlestr. 82-850351-66526989913URN:NBN:SI:doc-RDHS9IPPslvDruštvo matematikov, fizikov in astronomov SlovenijePresekInCmatematika