Khrabustovsky V. On the Characteristic Operators and Projections and on the Solutions of Weyl Type of Dissipative and Accumulative Operator Systems.III. Separated Boundary Conditions. Журн. мат. фіз. анал. геом. [інтернет]. 10, Травень 2006 [цит. за 25, Квітень 2024];2(4):449-73. доступний у: https://jmag.ilt.kharkiv.ua/index.php/jmag/article/view/jm02-0449e