Si, Duc Quang. “Extension of Holomorphic Mappings for Few Moving Hypersurfaces”. Ukrains’kyi Matematychnyi Zhurnal 64, no. 3 (March 25, 2012): 392–403. Accessed February 16, 2026. https://umj.imath.kiev.ua/index.php/umj/article/view/2584.