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@article{MS_1973__134_3_a6, author = {{\CYRV}.{\CYRA}. {\CYRT}{\cyrk}{\cyra}{\cyrch}{\cyre}{\cyrn}{\cyrk}{\cyro}}, title = {{\CYRO} {\cyre}{\cyrd}{\cyri}{\cyrn}{\cyrs}{\cyrt}{\cyrv}{\cyre}{\cyrn}{\cyrn}{\cyro}{\cyrs}{\cyrt}{\cyri} {\cyrr}{\cyra}{\cyrz}{\cyrl}{\cyro}{\cyrzh}{\cyre}{\cyrn}{\cyri}{\cyrya} {\cyrp}{\cyro} {\cyrk}{\cyro}{\cyrr}{\cyrn}{\cyre}{\cyrv}{\cyrery}{\cyrm} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrya}{\cyrm} {\cyro}{\cyrd}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyrd}{\cyri}{\cyrf}{\cyrf}{\cyre}{\cyrr}{\cyre}{\cyrn}{\cyrc}{\cyri}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyra}}, journal = {Matemati\v{c}eskij sbornik}, pages = {461--471}, publisher = {mathdoc}, volume = {134}, number = {3}, year = {1973}, zbl = {0283.47030}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1973__134_3_a6/} }
В.А. Ткаченко. О единственности разложения по корневым функциям одного дифференциального оператора. Matematičeskij sbornik, Tome 134 (1973) no. 3, pp. 461-471. http://geodesic.mathdoc.fr/item/MS_1973__134_3_a6/