Klymenko, O. M. “Holomorphic Transformation to a Miniversal Deformation Not Always Exists Under *Congruence”. Ukrains’kyi Matematychnyi Zhurnal 66, no. 9 (September 25, 2014): 1276–1279. Accessed April 25, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2219.