@article{MM2_1989__64_2_155412,
     author = {Nancy Childress},
     title = {...-Invariants and {...-Transforms.}},
     journal = {Manuscripta mathematica},
     pages = {359--376},
     publisher = {mathdoc},
     volume = {64},
     number = {2},
     year = {1989},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MM2_1989__64_2_155412/}
}