Quadratic Diophantine equation x 2 - ( t 2 - t ) y 2 - ( 4 t - 2 ) x + ( 4 t 2 - 4 t ) y = 0 . Özkoç, Arzu; Tekcan, Ahmet — 2010 Bulletin of the Malaysian Mathematical Sciences Society. Second Series
Pell Form and Pell Equation via Oblong Numbers Tekcan, Ahmet; Özkoç, Arzu — 2013 Serdica Mathematical Journal 2010 Mathematics Subject Classification: 11D09, 11D25, 11D41, 11D72, 11E16, 11E18.