@article{AIF_2007__57_2_457_0,
     author = {Goren, Eyal Z. and Lauter, Kristin E.},
     title = {Class {Invariants} for {Quartic} {CM} {Fields}},
     journal = {Annales de l'Institut Fourier},
     pages = {457--480},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {57},
     number = {2},
     year = {2007},
     doi = {10.5802/aif.2264},
     zbl = {1172.11018},
     mrnumber = {2310947},
     language = {en},
     url = {http://archive.numdam.org/articles/10.5802/aif.2264/}
}