@article{bwmeta1.element.bwnjournal-article-wm5z1-2-3n13bwm,
title = {Zadania},
journal = {Wiadomo\'sci Matematyczne},
volume = {5},
year = {1901},
pages = {139},
language = {pl},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-wm5z1-2-3n13bwm}
}
(éd.). Zadania. Wiadomości Matematyczne, Tome 5 (1901) p. 139. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-wm5z1-2-3n13bwm/