@article{CRMATH_2020__358_7_791_0, author = {Kurili\'c, Milo\v{s} S. and Kuzeljevi\'c, Bori\v{s}a}, title = {Positive families and {Boolean} chains of copies of ultrahomogeneous structures}, journal = {Comptes Rendus. Math\'ematique}, pages = {791--796}, publisher = {Acad\'emie des sciences, Paris}, volume = {358}, number = {7}, year = {2020}, doi = {10.5802/crmath.82}, language = {en}, url = {http://www.numdam.org/articles/10.5802/crmath.82/} }