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JOURNALS
// Matematicheskoe Prosveshchenie
// Archive
Mat. Pros., Ser. 3,
2008
Issue 12,
Pages
232–234
(Mi mp259)
Нам пишут...
Сколько ступенек на эскалаторе?
K. È. Kaibkhanov
Taganrog Technological Institute of Southern Federal University
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Steklov Math. Inst. of RAS
, 2024