@article{10_4064_aa128_4_2,
     author = {Andrej Dujella and Alan Filipin and Clemens Fuchs},
     title = {Effective solution of the $D(-1)$-quadruple conjecture},
     journal = {Acta Arithmetica},
     pages = {319--338},
     publisher = {mathdoc},
     volume = {128},
     number = {4},
     year = {2007},
     doi = {10.4064/aa128-4-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa128-4-2/}
}