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@article{MV_1970_22_2_a9, author = {M. S. Popadi\'c}, title = {On the number of antichains of finite power sets}, journal = {Matemati\v{c}ki vesnik}, pages = {199 }, publisher = {mathdoc}, volume = {22}, number = {2}, year = {1970}, url = {http://geodesic.mathdoc.fr/item/MV_1970_22_2_a9/} }
M. S. Popadić. On the number of antichains of finite power sets. Matematički vesnik, Tome 22 (1970) no. 2, p. 199 . http://geodesic.mathdoc.fr/item/MV_1970_22_2_a9/