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@article{MI_1968__3_1_188892, author = {{\CYRV}.{\CYRA}. {\CYRP}{\cyrr}{\cyri}{\cyrg}{\cyro}{\cyrr}{\cyrs}{\cyrk}{\cyri}{\cyrishrt}}, title = {{\CYRC}{\cyre}{\cyrp}{\cyro}{\cyrch}{\cyrk}{\cyri} {\cyrp}{\cyrr}{\cyro}{\cyre}{\cyrk}{\cyrt}{\cyro}{\cyrr}{\cyro}{\cyrv}, p-{\cyrb}{\cyrl}{\cyri}{\cyrz}{\cyrk}{\cyri}{\cyre} {\cyrk} {\cyro}{\cyrr}{\cyrt}{\cyro}{\cyrg}{\cyro}{\cyrn}{\cyra}{\cyrl}{\cyrsftsn}{\cyrn}{\cyrery}{\cyrm}}, journal = {Matemati\v{c}eskie issledovani\^a}, pages = {71--74}, publisher = {mathdoc}, volume = {3}, number = {1}, year = {1968}, zbl = {0234.47016}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MI_1968__3_1_188892/} }
В.А. Пригорский. Цепочки проекторов, p-близкие к ортогональным. Matematičeskie issledovaniâ, Tome 3 (1968) no. 1, pp. 71-74. http://geodesic.mathdoc.fr/item/MI_1968__3_1_188892/