@article{DE_1973_9_6_a25,
     author = {A. Karpuk},
     title = {{\CYRP}{\cyro}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrk}{\cyri} {\cyrk}~{\cyrs}{\cyrt}{\cyra}{\cyrt}{\cyrsftsn}{\cyre}: {{\guillemotleft}{\CYRD}{\cyri}{\cyrf}{\cyrr}{\cyra}{\cyrk}{\cyrc}{\cyri}{\cyrya}} {\cyrp}{\cyro}{\cyrl}{\cyrya} {\cyri}{\cyrz}{\cyrl}{\cyru}{\cyrch}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrg}{\cyro}{\cyrr}{\cyri}{\cyrz}{\cyro}{\cyrn}{\cyrt}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrd}{\cyri}{\cyrp}{\cyro}{\cyrl}{\cyrya} {\cyrn}{\cyra} {\cyrk}{\cyrr}{\cyru}{\cyrg}{\cyro}{\cyrv}{\cyro}{\cyrm} {\cyro}{\cyrt}{\cyrv}{\cyre}{\cyrr}{\cyrs}{\cyrt}{\cyri}{\cyri} 
},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1161},
     publisher = {mathdoc},
     volume = {9},
     number = {6},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1973_9_6_a25/}
}