PT Journal AU TRUBENOVA, J TI ARE THEY JUST ORDINARY CONSTANTS OR... SO Trends in education PY 2013 BP 148 EP 154 VL 6 IS 1 DE history of mathematics; definition of the golden section constant; construction and applications of the golden section constant AB This article represents the first part of the series of the author's articles devoted to historical aspects of the familiar and frequently used mathematical notions in natural and technical sciences. ER