@article{GDZPPN002348349, title = {On the Diophantine Equation Cx2 + D = 2yn.}, journal = {Mathematica Scandinavica}, volume = {18}, year = {1966}, pages = {69-86}, zbl = {0223.10007}, url = {http://dml.mathdoc.fr/item/GDZPPN002348349} }
Ljunggren, W. On the Diophantine Equation Cx2 + D = 2yn.. Mathematica Scandinavica, Tome 18 (1966) pp. 69-86. http://gdmltest.u-ga.fr/item/GDZPPN002348349/