@article{DAN_1996_350_4_a3,
     author = {M. D. Ramazanov},
     title = {The asymptotic theory of {I.} {Babushka}},
     journal = {Doklady Akademii Nauk},
     pages = {449--452},
     year = {1996},
     volume = {350},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_350_4_a3/}
}