@article{10_4064_ba8024_1_2016, author = {Andreas Blass and Mauro Di Nasso}, title = {Finite {Embeddability} of {Sets} and {Ultrafilters}}, journal = {Bulletin of the Polish Academy of Sciences. Mathematics}, pages = {195--206}, publisher = {mathdoc}, volume = {63}, number = {3}, year = {2015}, doi = {10.4064/ba8024-1-2016}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/ba8024-1-2016/} }