TY  - JOUR
AU  - Katica 
AU  - Stevanović
AU  -  Hedrih
AU  - Predrag Kozić
AU  - Ratko Pavlovi
TI  - A stationary and nonstationary $R$-frequency analysis of vibrations of the systems with a finite number of degrees of freedom of vibrations and mutual influences of the harmonics
JO  - Theoretical and applied mechanics
PY  - 1985
SP  - 73 
VL  - 11
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TAM_1985_11_1_a6/
LA  - en
ID  - TAM_1985_11_1_a6
ER  -