@article{SMZ_2007__48_2_55571, author = {Sudoplatov, S.V.}, title = {On the number of countable models of complete theories with finite {Rudin-Keisler} preorders.}, journal = {Sibirskij Matematicheskij Zhurnal}, pages = {417}, publisher = {mathdoc}, volume = {48}, number = {2}, year = {2007}, zbl = {1164.03317}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/SMZ_2007__48_2_55571/} }