@article{PIM_1972_N_S_13_27_a14,
     author = {Velimir Rogli\'c},
     title = {Observation {Space} {And} {Observables} {In} {Classical} {Mechanics}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {101 },
     year = {1972},
     volume = {_N_S_13},
     number = {27},
     url = {http://geodesic.mathdoc.fr/item/PIM_1972_N_S_13_27_a14/}
}