@article{JRAM_1978__301_152023,
     author = {M. Kneser and Y. Kitaoka and John S. Hsia},
     title = {Representations of positive definite quadratic forms.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {132--141},
     publisher = {mathdoc},
     volume = {301},
     year = {1978},
     zbl = {0374.10013},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1978__301_152023/}
}