@article{GDZPPN002349027, title = {Five Diophantine Equations.}, journal = {Mathematica Scandinavica}, volume = {20}, year = {1967}, pages = {61-70}, zbl = {0169.37401}, url = {http://dml.mathdoc.fr/item/GDZPPN002349027} }
Cohn, J.H.E. Five Diophantine Equations.. Mathematica Scandinavica, Tome 20 (1967) pp. 61-70. http://gdmltest.u-ga.fr/item/GDZPPN002349027/