Gorbachuk VI, Gorbachuk ML. On one generalization of the Berezanskii evolution criterion for the self-adjointness of operators. Ukr. Mat. Zhurn. [Internet]. 2000May25 [cited 2024Nov.24];52(5):608-15. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4455