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@article{MS_1982__161_1_a0, author = {{\CYRE}.{\CYRI}. {\CYRP}{\cyru}{\cyrs}{\cyrt}{\cyrery}{\cyrl}{\cyrsftsn}{\cyrn}{\cyri}{\cyrk}}, title = {{\CYRO} {\cyrf}{\cyru}{\cyrn}{\cyrk}{\cyrc}{\cyri}{\cyrya}{\cyrh} {\cyrp}{\cyro}{\cyrz}{\cyri}{\cyrt}{\cyri}{\cyrv}{\cyrn}{\cyro}{\cyrg}{\cyro} {\cyro}{\cyrp}{\cyre}{\cyrr}{\cyra}{\cyrt}{\cyro}{\cyrr}{\cyra}}, journal = {Matemati\v{c}eskij sbornik}, pages = {32--47}, publisher = {mathdoc}, volume = {161}, number = {1}, year = {1982}, zbl = {0513.47013}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1982__161_1_a0/} }
Е.И. Пустыльник. О функциях позитивного оператора. Matematičeskij sbornik, Tome 161 (1982) no. 1, pp. 32-47. http://geodesic.mathdoc.fr/item/MS_1982__161_1_a0/