TY - JOUR T1 - Označovanie intervalov A1 - Doboš, Jozef JA - Obzory matematiky, fyziky a informatiky Y1 - 2019 VL - 48 IS - 1 SP - 1 EP - 6 SN - 1335-4981 N2 - The article is dedicated to interval notations (also according to STN EN ISO 80000-2:2017) at present and in the past in our country and in some other countries. ER -