@article{MS2_1967__21_166005,
     author = {J.H.E. Cohn},
     title = {Five {Diophantine} {Equations.}},
     journal = {Mathematica Scandinavica},
     pages = {61--70},
     publisher = {mathdoc},
     volume = {21},
     year = {1967},
     zbl = {0169.37401},
     url = {http://geodesic.mathdoc.fr/item/MS2_1967__21_166005/}
}