@article{IM2_1983_20_2_a8,
     author = {A. N. Tyurin},
     title = {The structure of the variety of pairs of commuting pencils of symmetric matrices},
     journal = {Izvestiya. Mathematics },
     pages = {391--410},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {1983},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1983_20_2_a8/}
}