Список использованных источников (иллюстраций):
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https://yandex.ru/images/search?text=%D0%A1%D0%BE%CC%81%D1%84%D1%8C%D1%8F%20%D0%92%D0%B0%D1%81%D0%B8%CC%81%D0%BB%D1%8C%D0%B5%D0%B2%D0%BD%D0%B0%20%D0%9A%D0%BE%D0%B2%D0%B0%D0%BB%D0%B5%CC%81%D0%B2%D1%81%D0%BA%D0%B0%D1%8F&img_url=https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fe%2Fe7%2FSophie_Kowalevski.jpg&pos=18&rpt=simage