@article{PIM_1971_N_S_11_25_a13,
     author = {Milivoje G. Lazi\'c},
     title = {Sur {La} {Perfection} {Des} {Proc\'ed\'es} {Continus} {Permanents}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {93 },
     publisher = {mathdoc},
     volume = {_N_S_11},
     number = {25},
     year = {1971},
     url = {http://geodesic.mathdoc.fr/item/PIM_1971_N_S_11_25_a13/}
}