Logotype of <a href="https://en.wikipedia.org/wiki/Yandex" class="extiw" title="w:Yandex">Yandex</a> in English
<a href="https://en.wikipedia.org/wiki/Yandex" class="extiw" title="w:Yandex">Yandex</a>.<a rel="nofollow" class="external text" href="http://www.yandex.com/">com</a> proprietors (in <a href="https://en.wikipedia.org/wiki/en:English_language" class="extiw" title="w:en:English language">English</a>)
2010
<a rel="nofollow" class="external text" href="http://api.yandex.com/direct/doc/yandex-directapi-dg.pdf">http://api.yandex.com/direct/doc/yandex-directapi-dg.pdf</a>