@article{10_4064_sm_132_3_245_256, author = {Robert Judd}, title = {A dichotomy on {Schreier} sets}, journal = {Studia Mathematica}, pages = {245--256}, publisher = {mathdoc}, volume = {132}, number = {3}, year = {1999}, doi = {10.4064/sm-132-3-245-256}, language = {de}, url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-132-3-245-256/} }