Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1959__91_4_a4, author = {{\CYRA}.{\CYRA}. {\CYRD}{\cyre}{\cyrz}{\cyri}{\cyrn}}, title = {{\CYRG}{\cyrr}{\cyra}{\cyrn}{\cyri}{\cyrch}{\cyrn}{\cyrery}{\cyre} {\cyrz}{\cyra}{\cyrd}{\cyra}{\cyrch}{\cyri} {\cyrd}{\cyrl}{\cyrya} {\cyrn}{\cyre}{\cyrk}{\cyro}{\cyrt}{\cyro}{\cyrr}{\cyrery}{\cyrh} {\cyrs}{\cyri}{\cyrm}{\cyrm}{\cyre}{\cyrt}{\cyrr}{\cyri}{\cyrch}{\cyrn}{\cyrery}{\cyrh} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm} {\cyrp}{\cyre}{\cyrr}{\cyrv}{\cyro}{\cyrg}{\cyro} {\cyrp}{\cyro}{\cyrr}{\cyrya}{\cyrd}{\cyrk}{\cyra}}, journal = {Matemati\v{c}eskij sbornik}, pages = {459--484}, publisher = {mathdoc}, volume = {91}, number = {4}, year = {1959}, zbl = {0092.09402}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1959__91_4_a4/} }
А.А. Дезин. Граничные задачи для некоторых симметричных линейных систем первого порядка. Matematičeskij sbornik, Tome 91 (1959) no. 4, pp. 459-484. http://geodesic.mathdoc.fr/item/MS_1959__91_4_a4/