@article{ZR_1984_4_12_a5,
     author = {Vukman \v{C}ovi\'c},
     title = {Sur la {Commutataivit\'e} des {Op\'erateurs} de {Vastioation} et de {Diff\'erentiation} dans la {M\'ecanique} des {Syst\`emes} non {Holonomes}},
     journal = {Zbornik radova},
     pages = {53 },
     publisher = {mathdoc},
     volume = {4},
     number = {12},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZR_1984_4_12_a5/}
}