@misc{PMS_1928_3_1_a21,
     title = {Spis rzeczy},
     journal = {Pisma Mariana Smoluchowskiego},
     pages = {349},
     year = {1928},
     volume = {3},
     number = {1},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMS_1928_3_1_a21/}
}