On the Diophantine Equation X2+19M=YN
  In this article, we consider the equation x^2+19^{m}=y^n, n>2, m>0. We find the solutions of the title equation for not only 2 \mid m but also 2\notdividesm. 
Bilge Peker, Selin (Inag) Cenberci
math.NT