- Mathematical Institute of the Slovak Academy of Sciences Extension in Kosice Slovenska verzia Headquarters: Mathematical Institute Slovak Academy of Sciences Stefanikova 49 814 73 Bratislava Slovak Republic Director: Prof. RNDr. Anatolij DVURECENSKIJ, DrSc. tel./fax (++421) (07) 52497-316 E-mail: mathinst@mat.savba.sk, dvurecen@mat.savba.sk Extension in Kosice: Mathematical Institute (MU SAV) ...www.saske.sk/MI