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@article{MS_1989__178_4_a1, author = {{\CYRA}.{\CYRA}. {\CYRD}{\cyra}{\cyrv}{\cyrery}{\cyrd}{\cyro}{\cyrv}}, title = {{\CYRO}{\cyrs}{\cyro}{\cyrb}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrp}{\cyro}{\cyrl}{\cyre}{\cyrishrt} {\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyre}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrn}{\cyra}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyrishrt} {\cyrd}{\cyrv}{\cyru}{\cyrm}{\cyre}{\cyrr}{\cyrn}{\cyrery}{\cyrh} {\cyru}{\cyrp}{\cyrr}{\cyra}{\cyrv}{\cyrl}{\cyrya}{\cyre}{\cyrm}{\cyrery}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm}}, journal = {Matemati\v{c}eskij sbornik}, pages = {478--499}, publisher = {mathdoc}, volume = {178}, number = {4}, year = {1989}, zbl = {0714.58040}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1989__178_4_a1/} }
А.А. Давыдов. Особенности полей предельных направлений двумерных управляемых систем. Matematičeskij sbornik, Tome 178 (1989) no. 4, pp. 478-499. http://geodesic.mathdoc.fr/item/MS_1989__178_4_a1/