“…Schneider for the solution of Hilbert's seventh problem -see for instance (Waldschmidt, 1978). Examples are given in (Gramain and Mignotte, 1983), (Gramain et al, 1986), (Rochev, 2007), (Rochev, 2011) and (Ably, 2011). A connection with the six exponentials Theorem is introduced in (Pila, 2008).…”