@article{DE_2006_42_10_a4,
     author = {A. S. Pechentsov and A. Yu. Popov},
     title = {Asymptotic behavior of the density of the spectral measure of the {Sturm--Liouville} operator on the half-line with the boundary condition $y(0)=0$},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1337--1348},
     publisher = {mathdoc},
     volume = {42},
     number = {10},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2006_42_10_a4/}
}