TY  - JOUR
AU  - Ayşe Alaca
TI  - Representations by quaternary quadratic forms
 whose coefficients are 1, 3 and 9
JO  - Acta Arithmetica
PY  - 2009
SP  - 151
EP  - 166
VL  - 136
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/aa136-2-4/
DO  - 10.4064/aa136-2-4
LA  - en
ID  - 10_4064_aa136_2_4
ER  -