@article{10_2298_TAM171002015O,
     author = {Aleksandar Obradovi\'c and Slavi\v{s}a \v{S}alini\'c and Radoslav Radulovi\'c},
     title = {The brachistochronic motion of a vertical disk rolling on a horizontal plane without slip},
     journal = {Theoretical and applied mechanics},
     pages = {237 },
     year = {2017},
     volume = {44},
     number = {2},
     doi = {10.2298/TAM171002015O},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/TAM171002015O/}
}