IvanovaN. M., and PallikarosC. A. “Degenerations of 3-Dimensional Nilpotent Associative Algebras over an Algebraically Closed Field”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 76, no. 11, Nov. 2024, pp. 1610 -20, doi:10.3842/umzh.v76i11.7987.