YASUHARA, Mitsuru. The Amalgamation Property, the Universal-Homogeneous Models, and the Generic Models. Mathematica Scandinavica, Berkeley, CA, United States, v. 34, p. 5–36, 1974. DOI: 10.7146/math.scand.a-11501. Disponível em: https://journals.msp.org/mscand/article/view/2145. Acesso em: 25 jul. 2026.