@article{1183740425, author = {Harnik, Victor}, title = {Refinements of Vaught's Normal from Theorem}, journal = {J. Symbolic Logic}, volume = {44}, number = {1}, year = {1979}, pages = { 289-306}, language = {en}, url = {http://dml.mathdoc.fr/item/1183740425} }
Harnik, Victor. Refinements of Vaught's Normal from Theorem. J. Symbolic Logic, Tome 44 (1979) no. 1, pp. 289-306. http://gdmltest.u-ga.fr/item/1183740425/