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@article{MI_1966__1_2_188838, author = {{\CYRM}.{\CYRG}. {\CYRK}{\cyrr}{\cyre}{\cyrishrt}{\cyrn} and {\CYRYU}.{\CYRL}. {\CYRSH}{\cyrm}{\cyru}{\cyrl}{\cyrsftsn}{\cyrya}{\cyrn}}, title = {${\ensuremath{\geq}rm I}$-{\cyrp}{\cyro}{\cyrl}{\cyrya}{\cyrr}{\cyrn}{\cyro}{\cyre} {\cyrp}{\cyrr}{\cyre}{\cyrd}{\cyrs}{\cyrt}{\cyra}{\cyrv}{\cyrl}{\cyre}{\cyrn}{\cyri}{\cyre} {\cyrp}{\cyrl}{\cyryu}{\cyrs}-{\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv}}, journal = {Matemati\v{c}eskie issledovani\^a}, pages = {172--208}, publisher = {mathdoc}, volume = {1}, number = {2}, year = {1966}, zbl = {0201.16803}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MI_1966__1_2_188838/} }
М.Г. Крейн; Ю.Л. Шмульян. ${≥rm I}$-полярное представление плюс-операторов. Matematičeskie issledovaniâ, Tome 1 (1966) no. 2, pp. 172-208. http://geodesic.mathdoc.fr/item/MI_1966__1_2_188838/