TY - JOUR AU - Pierre Le Boudec TI - Manin's conjecture for two quartic del Pezzo surfaces with $3 \mathbf{A}_1$ and $\mathbf{A}_1 + \mathbf{A}_2$ singularity types JO - Acta Arithmetica PY - 2012 SP - 109 EP - 163 VL - 151 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/aa151-2-1/ DO - 10.4064/aa151-2-1 LA - en ID - 10_4064_aa151_2_1 ER -