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@article{MZM_2015_98_4_a13, author = {N. V. Ilyushechkin}, title = {Letter to the {Editor}}, journal = {Matemati\v{c}eskie zametki}, pages = {640}, publisher = {mathdoc}, volume = {98}, number = {4}, year = {2015}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2015_98_4_a13/} }
N. V. Ilyushechkin. Letter to the Editor. Matematičeskie zametki, Tome 98 (2015) no. 4. http://geodesic.mathdoc.fr/item/MZM_2015_98_4_a13/
[1] N. V. Ilyushechkin, “Ob odnom ekstremalnom svoistve normalnykh matrits”, Matem. zametki, 97:1 (2015), 67–73 | DOI