@article{PMF_1892_3_1_a2,
     author = {Rusjan, C.},
     title = {O dowodzie prawa {Gaussa}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {49--51},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1892},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMF_1892_3_1_a2/}
}