@article{ZVMMF_1989_29_11_a1,
     author = {S. A. Abramov},
     title = {Rational solutions of linear differential and difference equations with polynomial coefficients},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1611--1620},
     publisher = {mathdoc},
     volume = {29},
     number = {11},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1989_29_11_a1/}
}