@article{DE_2000_36_3_a4,
     author = {A. S. Pechentsov and A. Yu. Popov},
     title = {Asymptotic behavior of the spectral measure of the operator family $-y''-\varepsilon xy$},
     journal = {Differencialʹnye uravneni\^a},
     pages = {336--344},
     publisher = {mathdoc},
     volume = {36},
     number = {3},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2000_36_3_a4/}
}