@article{MAN_1993__296_4_165110,
     author = {Mitsuhiro Itoh},
     title = {Moduli of half conformally flat structures.},
     journal = {Mathematische Annalen},
     pages = {687--708},
     publisher = {mathdoc},
     volume = {296},
     number = {4},
     year = {1993},
     zbl = {0788.58011},
     url = {http://geodesic.mathdoc.fr/item/MAN_1993__296_4_165110/}
}