@article{10_4064_aa151_2_1,
     author = {Pierre Le Boudec},
     title = {Manin's conjecture for two quartic del {Pezzo} surfaces with
$3 \mathbf{A}_1$ and $\mathbf{A}_1 + \mathbf{A}_2$ singularity types},
     journal = {Acta Arithmetica},
     pages = {109--163},
     publisher = {mathdoc},
     volume = {151},
     number = {2},
     year = {2012},
     doi = {10.4064/aa151-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa151-2-1/}
}