@article{IM2_1986_27_1_a8,
     author = {V. V. Nikulin},
     title = {Filtrations of 2-elementary forms and involutions of integral symmetric and skew-symmetric bilinear forms},
     journal = {Izvestiya. Mathematics },
     pages = {159--182},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {1986},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1986_27_1_a8/}
}