@article{AA_2000_12_1_a0,
     author = {N. A. Karpenko},
     title = {Cohomology of relative cellular spaces and of isotropic flag varieties},
     journal = {Algebra i analiz},
     pages = {3--69},
     publisher = {mathdoc},
     volume = {12},
     number = {1},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2000_12_1_a0/}
}