1.
Rabanovych VI. On Decompositions of a Scalar Operator into a Sum of Self-Adjoint Operators with Finite Spectrum. Ukr. Mat. Zhurn. [Internet]. 2015May25 [cited 2024Nov.21];67(5):701–716. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2016