@article{PMF_1939_46_1_a2,
     author = {Szczeniowski, S.},
     title = {Hipoteza istnienia neutrina i jej zastosowania},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {69--95},
     publisher = {mathdoc},
     volume = {46},
     number = {1},
     year = {1939},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1939_46_1_a2/}
}