Literature cited
R. G. Aliev, “On the question on the necessary and sufficient conditions for the unique solvability of an equation with a deviating argument and unbounded operator coefficients in a Hilbert space,” Dokl. Akad. Nauk SSSR,267, No. 1, 11–14 (1982).
R. G. Aliev, “On the solvability of an equation with periodic coefficients and a deviating argument in a Hilbert space,” Izv. Vyssh. Uchebn. Zaved., No. 5, 3–8 (1984).
T. Kato, Perturbation Theory of Linear Operators, Springer-Verlag, Berlin-New York (1966).
V. I. Smirnov, A Course of Higher Mathematics, Vol. 5, Pergamon (1964).
Author information
Authors and Affiliations
Additional information
Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 38, No. 6, pp. 768–774, November–December, 1986.
Rights and permissions
About this article
Cite this article
Aliev, R.G. Solvability of an equation with a deviating argument and unbounded operator coefficients in a hilbert space. Ukr Math J 38, 649–654 (1986). https://doi.org/10.1007/BF01056652
Received:
Revised:
Issue Date:
DOI: https://doi.org/10.1007/BF01056652