MuranovYu. V., and JiménezR. “Splitting Obstruction Groups Along One-Sided Submanifolds”. Ukrains’kyi Matematychnyi Zhurnal 66, no. 3 (March 25, 2014): 316–332. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2135.