@article{PIM_1968_N_S_08_22_a2,
     author = {{\DJ}or{\dj}e Mu\v{s}icki},
     title = {Formulation {Covariante} {Des} {Transformations} {Canoniques} {Dans} {La} {Theorie} {Des} {Champs}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {8 },
     publisher = {mathdoc},
     volume = {_N_S_08},
     number = {22},
     year = {1968},
     url = {http://geodesic.mathdoc.fr/item/PIM_1968_N_S_08_22_a2/}
}