@article{JRAM_1995__467_153755,
     author = {Shu Nakamura},
     title = {On the third adjoint contractions.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {51--66},
     year = {1995},
     volume = {467},
     zbl = {0832.14003},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1995__467_153755/}
}