“…This work is a continuation to [14], where we studied simultaneous approximations of similar numbers γ 1 and γ 2 . We also note that, after Bugeaud's remarkable work [4] on Thue-Morse numbers, there has appeared several works on the irrationality exponents of the values of degree one Mahler functions, see [2,5,9,11,13,15] and the references in [5].…”