1. A. I. Maltsev, “On Elementary Properties of Linear Groups,” in Problemy Matem. Mekhan. (1961), pp. 110–132 [in Russian].
2. C. C. Chang and H. J. Keisler, Model Theory [North-Holland Publ. Comp., Amsterdam, N.Y., 1977; Mir, Moscow, 1977].
3. C. I. Beidar and A. V. Mikhalev, “On Malcev’s Theorem on Elementary Equivalence of Linear Groups,” Contemp. Math. 131, 29 (1992).
4. E. I. Bunina, “Elementary Equivalence of Unitary Linear Groups over Fields,” Fundam. Prikl. Matem. 4, 1 (1998).
5. E. I. Bunina, “Elementary Equivalence of Unitary Linear Groups over Rings and Skew-Fields,” Uspekhi Matem. Nauk 53(2), 137 (1998) [Russ. Math. Surveys 53 (2), 374 (1998)].