TY - JOUR AU - Yoshiyuki Kitaoka TI - A note on representation of positive definite binary quadratic forms by positive definite quadratic forms in 6 variables JO - Acta Arithmetica PY - 1989 SP - 317 EP - 322 VL - 54 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa-54-4-317-322/ DO - 10.4064/aa-54-4-317-322 LA - en ID - 10_4064_aa_54_4_317_322 ER -