@article{PMS_1924_1_1_a29,
     author = {Smoluchowski, Marian},
     title = {O \'sredniej swobodnej drodze cz\k{a}steczek gazu i o jej zwi\k{a}zku z teorj\k{a} dyfuzji},
     journal = {Pisma Mariana Smoluchowskiego},
     pages = {468--478},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1924},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/PMS_1924_1_1_a29/}
}