@article{ZVMMF_2015_55_1_a0,
     author = {A. R. Aliev and E. Kh. Eyvazov},
     title = {Finite-difference proof of the completeness of eigenfunctions of the {Sturm{\textendash}Liouville} operator in conservative form},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {3--9},
     year = {2015},
     volume = {55},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2015_55_1_a0/}
}