@misc{WM_1899_3_1-2_a2,
     title = {Uwagi o pierwszej zasadzie termodynamiki},
     journal = {Wiadomo\'sci Matematyczne},
     pages = {42--48},
     publisher = {mathdoc},
     volume = {3},
     number = {1-2},
     year = {1899},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/WM_1899_3_1-2_a2/}
}