@article{TAM_1981_7_1_a4,
     author = {Vukman M. \v{C}ovi\'c and Mirjana M. Luka\v{c}cvi\'c},
     title = {On brachistochronic motions of non-conservative dynamical systems},
     journal = {Theoretical and applied mechanics},
     pages = {41 },
     year = {1981},
     volume = {7},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1981_7_1_a4/}
}