@article{UZKU_2005_147_3_a10,
     author = {M. R. Timerbaev},
     title = {An approximation by finite elements of the eigenvalue problem for degenerate differential operator},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {157--165},
     year = {2005},
     volume = {147},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_2005_147_3_a10/}
}