TY  - JOUR
AU  - Manabu Murata
TI  - On quadratic Diophantine equations in four variables and orders associated with lattices
JO  - Documenta mathematica
PY  - 2014
SP  - 247
EP  - 284
VL  - 19
UR  - http://geodesic.mathdoc.fr/articles/10.4171/dm/446/
DO  - 10.4171/dm/446
ID  - 10_4171_dm_446
ER  -