@article{SM_2016_207_9_a0,
     author = {A. V. Arutyunov and S. E. Zhukovskiy},
     title = {Properties of surjective real quadratic maps},
     journal = {Sbornik. Mathematics},
     pages = {1187--1214},
     publisher = {mathdoc},
     volume = {207},
     number = {9},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2016_207_9_a0/}
}