@article{UFA_2019_11_3_a1,
     author = {I. N. Braeutigam and D. M. Polyakov},
     title = {Asymptotics of eigenvalues of infinite block matrices},
     journal = {Ufa mathematical journal},
     pages = {11--28},
     year = {2019},
     volume = {11},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UFA_2019_11_3_a1/}
}