TY - JOUR T1 - Variácia na tému 12-ta odmocnina z dvoch A1 - Haluška, Ján A1 - Halušková, Emília JA - Obzory matematiky, fyziky a informatiky Y1 - 1999 VL - 28 IS - 55 SP - 23 EP - 32 SN - 1335-4981 N2 - This article deals with various tuning systems of musical instruments with the so called fixed tuning. Problems about tuning concern mathematics, physics, acoustics, psychology, the coding information theory, and musicology. ER -