@article{MAN_1974__208_162564,
     author = {H.L. Resnikoff},
     title = {On the {Graded} {Ring} of {Hubert} {Modular} {Forms} {Associated} with {Q} (|..5).},
     journal = {Mathematische Annalen},
     pages = {161--170},
     publisher = {mathdoc},
     volume = {208},
     year = {1974},
     zbl = {0278.10029},
     url = {http://geodesic.mathdoc.fr/item/MAN_1974__208_162564/}
}