Xiaojun Huang, “A removable singularity property for cr mappings between real analytic hypersurfaces”, Communications in Partial Differential Equations, 25, № 1-2, 2000, 299
Erlan Nursultanov, Lyazzat Sarybekova, Nazerke Tleukhanova, 216, Functional Analysis in Interdisciplinary Applications, 2017, 58
Bernard Coupet, Alexandre Sukhov, “On CR mappings between pseudoconvex hypersurfaces of finite type in ℂ2”, Duke Math. J., 88, № 2, 1997
Rasul Shafikov, Kaushal Verma, “A local extension theorem for proper holomorphic mappings in ℂ2”, J Geom Anal, 13, № 4, 2003, 697