@article{MS_1980__155_2_a6,
     author = {{\CYRS}.{\CYRI}. {\CYRP}{\cyro}{\cyrh}{\cyro}{\cyrzh}{\cyra}{\cyre}{\cyrv}},
     title = {{\CYRO}{\cyrb} {\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrn}{\cyre}{\cyrn}{\cyri}{\cyrya}{\cyrh} {\cyrv}{\cyri}{\cyrd}{\cyra} $94 u=f(x,u,Du)$},
     journal = {Matemati\v{c}eskij sbornik},
     pages = {324--338},
     publisher = {mathdoc},
     volume = {155},
     number = {2},
     year = {1980},
     zbl = {0457.35032},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MS_1980__155_2_a6/}
}