https://play.boomstream.com/0PFCwBoP ; Лекция 1 https://play.boomstream.com/nayxGKm9 ; Лекция 2 https://play.boomstream.com/Xfk99gsp; Лекция 3 https://play.boomstream.com/XePjB2wd; Лекция 4 https://play.boomstream.com/JS4qnFnk; Лекция 5 https://play.boomstream.com/4uDsOn3t; Лекция 6 https://play.boomstream.com/7IOQEQi9; Лекция 7