http://niberus.livejournal.com/ ([identity profile] niberus.livejournal.com) wrote in [community profile] ru_chgk 2013-12-03 06:50 am (UTC)

На игре был уверен, что знаю источник - "Популярная комбинаторика" Виленкина. Ан нет. Авторы предпочли низкопоклонствовать перед Западом. :))
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