@article{ZR_1984_4_12_a9,
     author = {Katica Stevanovi\'c Hedrih},
     title = {Nonlinear {Torsional} {Vibration} of {Shaft} with two {Disks}},
     journal = {Zbornik radova},
     pages = {81 },
     publisher = {mathdoc},
     volume = {4},
     number = {12},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZR_1984_4_12_a9/}
}