@article{MZM_1998_63_2_a17,
     author = {A. S. Pechentsov and A. Yu. Popov},
     title = {Asymptotic behavior of spectral functions of the differential operators $-y''-\varepsilon x^2y$},
     journal = {Matemati\v{c}eskie zametki},
     pages = {302--306},
     publisher = {mathdoc},
     volume = {63},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1998_63_2_a17/}
}