@article{DE_1969_5_2_a9,
     author = {S. Yu. Slavyanov},
     title = {Asymptotic behavior of singular {Sturm--Liouville} problems for large parameter in the case of nearby transition points},
     journal = {Differencialʹnye uravneni\^a},
     pages = {313--325},
     publisher = {mathdoc},
     volume = {5},
     number = {2},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_2_a9/}
}