On the Diophantine equation x 2 + p 2 k + 1 = 4 y n . Arif, S. Akhtar; Al-Ali, Amal S. — 2002 International Journal of Mathematics and Mathematical Sciences
On the diophantine equation a x ² + b m = 4 y ⁿ S. Akhtar Arif; Amal S. Al-Ali — 2002 Acta Arithmetica