@article{BUMI_1999_8_2B_3_a8,
     author = {Pacini, Tommaso},
     title = {Complex structures on $SO_g(M)$},
     journal = {Bollettino della Unione matematica italiana},
     pages = {639--654},
     publisher = {mathdoc},
     volume = {Ser. 8, 2B},
     number = {3},
     year = {1999},
     zbl = {0961.53017},
     mrnumber = {867684},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1999_8_2B_3_a8/}
}