Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1953__74_1_a3, author = {{\CYRA}.{\CYRYA}. {\CYRP}{\cyro}{\cyrv}{\cyrz}{\cyrn}{\cyre}{\cyrr}}, title = {{\CYRO} {\cyrr}{\cyra}{\cyrz}{\cyrl}{\cyro}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyri} {\cyrp}{\cyrr}{\cyro}{\cyri}{\cyrz}{\cyrv}{\cyro}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrh} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrishrt} {\cyrp}{\cyro} {\cyrs}{\cyro}{\cyrb}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyrery}{\cyrm} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrya}{\cyrm} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyra} $-94 u+cu$}, journal = {Matemati\v{c}eskij sbornik}, pages = {109--156}, publisher = {mathdoc}, volume = {74}, number = {1}, year = {1953}, zbl = {0050.32201}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1953__74_1_a3/} }
А.Я. Повзнер. О разложении произвольных функций по собственным функциям оператора $-94 u+cu$. Matematičeskij sbornik, Tome 74 (1953) no. 1, pp. 109-156. http://geodesic.mathdoc.fr/item/MS_1953__74_1_a3/