@article{MS2_1953__1_165510,
     author = {WILHELM LJUNGGREN},
     title = {On an improvement of a theorem of {T.} {Nagell} concerning the {Diophantine} equation {Ax3} + {By3} = {C}},
     journal = {Mathematica Scandinavica},
     pages = {297--309},
     publisher = {mathdoc},
     volume = {1},
     year = {1953},
     zbl = {0051.27803},
     url = {http://geodesic.mathdoc.fr/item/MS2_1953__1_165510/}
}