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@article{ZR_2015_17_25_a6, author = {J. Lopez-Abad}, title = {Families of {Finite} {Subsets} of $N$}, journal = {Zbornik radova}, pages = {145 }, publisher = {mathdoc}, volume = {17}, number = {25}, year = {2015}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ZR_2015_17_25_a6/} }
J. Lopez-Abad. Families of Finite Subsets of $N$. Zbornik radova, Tome 17 (2015) no. 25, p. 145 . http://geodesic.mathdoc.fr/item/ZR_2015_17_25_a6/