@article{FAA_2012_46_3_a5,
     author = {A. V. Arutyunov},
     title = {Two {Problems} of the  {Theory} of {Quadratic} {Maps}},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {81--84},
     publisher = {mathdoc},
     volume = {46},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_2012_46_3_a5/}
}