@article{PMF_1949_47_1_a2,
     author = {Mikusi\'nski, Jan G.},
     title = {Sur les z\'eros des polynomes et de leurs d\'eriv\'ees successives},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {21--40},
     publisher = {mathdoc},
     volume = {47},
     number = {1},
     year = {1949},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/PMF_1949_47_1_a2/}
}