@article{MZM_2004_75_3_a13,
     author = {A. S. Pechentsov and A. Yu. Popov},
     title = {Asymptotic {Behavior} of the {Spectral} {Measure} of a {Singular} {Sturm--Liouville} {Operator}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {455--458},
     publisher = {mathdoc},
     volume = {75},
     number = {3},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2004_75_3_a13/}
}