TY - JOUR AU - Kurilić, Miloš S. AU - Kuzeljević, Boriša TI - Positive families and Boolean chains of copies of ultrahomogeneous structures JO - Comptes Rendus. Mathématique PY - 2020 SP - 791 EP - 796 VL - 358 IS - 7 PB - Académie des sciences, Paris UR - http://www.numdam.org/articles/10.5802/crmath.82/ DO - 10.5802/crmath.82 LA - en ID - CRMATH_2020__358_7_791_0 ER -