### Источники

1. https://docs.oracle.com/javase/7/docs/api/java/lang/Thread.html#yield()
2. https://ru.wikipedia.org/wiki/%D0%9C%D1%8C%D1%8E%D1%82%D0%B5%D0%BA%D1%81
3. https://ru.wikipedia.org/wiki/%D0%9C%D0%BE%D0%BD%D0%B8%D1%82%D0%BE%D1%80_(%D1%81%D0%B8%D0%BD%D1%85%D1%80%D0%BE%D0%BD%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%8F)
4. https://en.wikipedia.org/wiki/Happened-before
5. https://docs.oracle.com/javase/tutorial/essential/concurrency/index.html
6. https://www.amazon.com/Java-Concurrency-Practice-Brian-Goetz/dp/0321349601/192-1511873-1398145?ie=UTF8&*Version*=1&*entries*=0
7. https://habrahabr.ru/company/golovachcourses/blog/256883/
8. http://ru.stackoverflow.com/questions/1271/%D0%9A%D0%BB%D1%8E%D1%87%D0%B5%D0%B2%D0%BE%D0%B5-%D1%81%D0%BB%D0%BE%D0%B2%D0%BE-volatile-%D0%B2-java
9. https://ru.wikipedia.org/wiki/%D0%90%D1%82%D0%BE%D0%BC%D0%B0%D1%80%D0%BD%D0%B0%D1%8F_%D0%BE%D0%BF%D0%B5%D1%80%D0%B0%D1%86%D0%B8%D1%8F