Voir la notice de l'article provenant de la source The Polish Digital Mathematics Library
@misc{WM_1907_11_Supplement_1_a0, title = {Zadania do rozwi\k{a}zania}, journal = {Wiadomo\'sci Matematyczne}, publisher = {mathdoc}, volume = {11}, number = {Supplement_1}, year = {1907}, language = {pl}, url = {http://geodesic.mathdoc.fr/item/WM_1907_11_Supplement_1_a0/} }
Zadania do rozwiązania. Wiadomości Matematyczne, Tome 11 (1907) no. Supplement_1. http://geodesic.mathdoc.fr/item/WM_1907_11_Supplement_1_a0/