@article{IVM_1973_3_a0,
     author = {R. Yu. Akchurina},
     title = {Problems of distinction for recurrence relations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--8},
     publisher = {mathdoc},
     number = {3},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1973_3_a0/}
}