Ссылки на видеолекции:

https://www.youtube.com/channel/UCKdEGwhlV9jvA1IhY0_t1zQ

https://www.youtube.com/watch?v=zKtP-IKEjhc&list=LL&index=27

https://www.youtube.com/watch?v=jGyCKh32wZE&list=LL&index=28

https://www.youtube.com/watch?v=qBgaFbuXpQQ&list=LL&index=25