@article{SMZ_2007__48_5_55573,
     author = {Fokina, E.B.},
     title = {Index sets of decidable models.},
     journal = {Sibirskij Matematicheskij Zhurnal},
     pages = {1167},
     publisher = {mathdoc},
     volume = {48},
     number = {5},
     year = {2007},
     zbl = {1164.03326},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SMZ_2007__48_5_55573/}
}