2019
JUG.SEV - Voronets - CategorizeIt ru of 1:03:10
    https://www.youtube.com/watch?v=rIFB43kPYb0
FPURE - Shevchenko - Monoid in Category of Endofunctors ru of 26:27
    https://www.youtube.com/watch?v=AJy8B6mhRqc
FPURE - Nizhnikov - After Monads of 34:12
    https://www.youtube.com/watch?v=NBEzXO1xezU