We apply a new, deep result of Bilu, Hanrot and Voutier to solve completely
some exponential Diophantine equations of the type D(1)x(2) + D-2 = lambda
(2)y(p), where D-1, D-2 are given coprime positive integers, lambda is an
element of {1, 2}, and x, y, p greater than or equal to 3 are unknown.