@article{IM2_1969_3_1_a8,
     author = {E. A. Larionov},
     title = {Self-adjoint quadratic bundles},
     journal = {Izvestiya. Mathematics},
     pages = {131--145},
     year = {1969},
     volume = {3},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1969_3_1_a8/}
}