Manuel Bodirsky. Cores of Countably Categorical Structures. Logical Methods in Computer Science, 3(1), 2007. [doi]
@article{Bodirsky07, title = {Cores of Countably Categorical Structures}, author = {Manuel Bodirsky}, year = {2007}, doi = {10.2168/LMCS-3(1:2)2007}, url = {http://dx.doi.org/10.2168/LMCS-3(1:2)2007}, researchr = {https://researchr.org/publication/Bodirsky07}, cites = {0}, citedby = {0}, journal = {Logical Methods in Computer Science}, volume = {3}, number = {1}, }