@article{IM2_2010_74_6_a5,
     author = {V. A. Krasnov},
     title = {On real quadric line complexes},
     journal = {Izvestiya. Mathematics},
     pages = {1255--1276},
     year = {2010},
     volume = {74},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_2010_74_6_a5/}
}