@article{DAN_1996_346_2_a4,
     author = {V. A. Sadovnichii and V. E. Podolskii},
     title = {On the computation of the first eigenvalues of the {Sturm--Liouville} operator},
     journal = {Doklady Akademii Nauk},
     pages = {162--164},
     publisher = {mathdoc},
     volume = {346},
     number = {2},
     year = {1996},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1996_346_2_a4/}
}