@article{DE_1969_5_3_a23,
     author = {V. P. Rubanik and Yu. I. Marchenko},
     title = {{\CYRV}{\cyrt}{\cyro}{\cyrr}{\cyra}{\cyrya} {{\CYRV}{\cyrs}{\cyre}{\cyrs}{\cyro}{\cyryu}{\cyrz}{\cyrn}{\cyra}{\cyrya}} {\cyrm}{\cyre}{\cyrzh}{\cyrv}{\cyru}{\cyrz}{\cyro}{\cyrv}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyrk}{\cyro}{\cyrn}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyrya} {\cyrp}{\cyro} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyri} {\cyrp}{\cyrr}{\cyri}{\cyrl}{\cyro}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrm} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrishrt} 
},
     journal = {Differencialʹnye uravneni\^a},
     pages = {596},
     publisher = {mathdoc},
     volume = {5},
     number = {3},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1969_5_3_a23/}
}