@article{MS_1967__115_2_a3,
     author = {{\CYRM}.{\CYRL}. {\CYRG}{\cyre}{\cyrr}{\cyrv}{\cyre}{\cyrr} and {\CYRD}.{\CYRA}. {\CYRK}{\cyra}{\cyrzh}{\cyrd}{\cyra}{\cyrn}},
     title = {{\CYRO} {\cyrn}{\cyra}{\cyrh}{\cyro}{\cyrzh}{\cyrd}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyri} $\rho (x)$ {\cyrp}{\cyro} {\cyrs}{\cyro}{\cyrb}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrm}{\cyru} {\cyrch}{\cyri}{\cyrs}{\cyrl}{\cyru} $s = s(p)$ {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya} $y^{\prime \prime }+(p\rho (x)-s)y = 0$},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {227--235},
     publisher = {mathdoc},
     volume = {115},
     number = {2},
     year = {1967},
     zbl = {0162.11203},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1967__115_2_a3/}
}