Ismailov, Zameddin I.Öztürk Mert, Rukiye2019-05-132019-05-132012Ismailov, Z. I., Mert, R. Ö. (2011).Normal extensions of a singular multipoint differential operator of first order. Electronic Journal of Differential Equations, 2012, 1-9.1072-6691https://hdl.handle.net/11491/1252Many problems arising in the modelling of processes of multi-particle quantum mechanics,in the quantum field theory,in the multipoint boundary value problems for the differential equations,in the physics of rigid bodies and ets support to study normal extension of formally narmal differential operators in direct sum of Hilbert spaces([1-3])eninfo:eu-repo/semantics/closedAccessMultipoint Differential OperatorsSelfadjoint and Normal ExtensionSpectrumArticle201219N/AQ3