@article{ZVMMF_2012_52_3_a4,
     author = {M. K. Kerimov},
     title = {Approximate computation of eigenvalues and eigenfunctions of {Sturm{\textendash}Liouville} differential operators by applying the theory of regularized traces},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {409--446},
     publisher = {mathdoc},
     volume = {52},
     number = {3},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_2012_52_3_a4/}
}