@article{MZM_2011_89_5_a6,
     author = {V. A. Krasnov},
     title = {Rigid {Isotopy} {Classification} of {Real} {Quadric} {Line} {Complexes} and {Associated} {Kummer} {Surfaces}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {705--718},
     publisher = {mathdoc},
     volume = {89},
     number = {5},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2011_89_5_a6/}
}