@article{VMUMM_1988_3_a2,
     author = {A. A. Danielyan and B. M. Levitan},
     title = {Asymptotics of the {Weyl{\textendash}Titchmarsh} $m$-function},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {9--14},
     year = {1988},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1988_3_a2/}
}