@article{10_4064_cm140_2_7,
     author = {Szymon G{\l}\k{a}b and Filip Strobin},
     title = {Large free subgroups of automorphism groups of ultrahomogeneous spaces},
     journal = {Colloquium Mathematicum},
     pages = {279--295},
     publisher = {mathdoc},
     volume = {140},
     number = {2},
     year = {2015},
     doi = {10.4064/cm140-2-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm140-2-7/}
}