FIRST OLYMPIAD IN DESCRIPTIVE GEOMETRY FOR UNIVERSITY STUDENTS IN BULGARIA FIRST OLYMPIAD IN DESCRIPTIVE GEOMETRY FOR UNIVERSITY STUDENTS IN BULGARIA Year Third (2015) / Issue Fourth Year Third (2015) / Issue Fourth Author(s): Tsvetoslava Zareva Author(s): Tsvetoslava Zareva DOI: DOI: 10.15547/PF.2015.037 Read the article