Mazorchuk, V. S., and Xiaoting Zhang. 2018. “Simple Transitive 2-Representations for Two Non-Fiat 2-Categories of Projective Functors”. Ukrains’kyi Matematychnyi Zhurnal 70 (12), 1625-49. https://umj.imath.kiev.ua/index.php/umj/article/view/1665.