Voir la notice de l'article provenant de la source The Polish Digital Mathematics Library
@misc{WM_1902_6_1-2-3_a7, title = {Zadania}, journal = {Wiadomo\'sci Matematyczne}, pages = {143--144}, publisher = {mathdoc}, volume = {6}, number = {1-2-3}, year = {1902}, language = {pl}, url = {http://geodesic.mathdoc.fr/item/WM_1902_6_1-2-3_a7/} }
Zadania. Wiadomości Matematyczne, Tome 6 (1902) no. 1-2-3, pp. 143-144. http://geodesic.mathdoc.fr/item/WM_1902_6_1-2-3_a7/