@article{CM_1981__44_1-3_103_0,
     author = {Henkin, G. M. and Manin, Yu. I.},
     title = {On the cohomology of twistor flag spaces},
     journal = {Compositio Mathematica},
     pages = {103--111},
     publisher = {Sijthoff et Noordhoff International Publishers},
     volume = {44},
     number = {1-3},
     year = {1981},
     mrnumber = {662458},
     zbl = {0495.32004},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1981__44_1-3_103_0/}
}