@article{TEIO_1984_1984_1_a1,
     author = {Pestana, Dinis},
     title = {Una nota sobre el teorema de {Polya.}},
     journal = {Trabajos de estad{\'\i}stica y de investigaci\'on operativa},
     pages = {104-111},
     publisher = {mathdoc},
     volume = {35},
     number = {1},
     year = {1984},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TEIO_1984_1984_1_a1/}
}