Noozun, Oyumaa Khuralbaevna. “The Art Heritage of Sergey Kochaa: УДК739.2:74.01 .09”. The Art of Eurasia, no. 3 (14), Sept. 2019, pp. 170-7, https://doi.org/10.25712/ASTU.2518-7767.2019.03.012.