Möbius modulus of ring domains in ℝ ¯ n . Ibragimov, Zair — 2003 Annales Academiae Scientiarum Fennicae. Mathematica
Apollonian isometries of regular domains are Möbius mappings. Hästö, Peter; Ibragimov, Zair — 2007 Annales Academiae Scientiarum Fennicae. Mathematica
Convex bodies of constant width and the Apollonian metric. Borovikova, Marina; Ibragimov, Zair — 2008 Bulletin of the Malaysian Mathematical Sciences Society. Second Series