Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1947__63_1_a8, author = {{\CYRA}.{\CYRA}. {\CYRG}{\cyrr}{\cyra}{\cyrf}{\cyrf}}, title = {{\CYRK} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyrl}{\cyri}{\cyrn}{\cyre}{\cyrishrt}{\cyrn}{\cyrery}{\cyrh} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrs}{\cyri}{\cyrs}{\cyrt}{\cyre}{\cyrm} {\cyrv} {\cyro}{\cyrb}{\cyrl}{\cyra}{\cyrs}{\cyrt}{\cyri} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyri}{\cyrz}{\cyrm}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyri}{\cyrya}. {II}}, journal = {Matemati\v{c}eskij sbornik}, pages = {143--160}, publisher = {mathdoc}, volume = {63}, number = {1}, year = {1947}, zbl = {0030.05302}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1947__63_1_a8/} }
А.А. Графф. К теории линейных дифференциальных систем в области одного измерения. II. Matematičeskij sbornik, Tome 63 (1947) no. 1, pp. 143-160. http://geodesic.mathdoc.fr/item/MS_1947__63_1_a8/