References
M. A. Naimark,Linear Differential Operators [in Russian], Nauka, Moscow (1969).
V. I. Kogan and F. S. Rofe-Beketov, “On the deficiency index of symmetric differential operators with complex coefficients”, in:Mathematical Physics and Functional Analysis. II [in Russian], Khar'kov (1971), pp. 45–60.
K. Unsworth,Quart. J. Math. Ser. 2.,24, No. 94, 177–188 (1973).
W. N. Everitt,Quart. J. Math. Ser. 2.,23, No. 89, 193–196 (1972).
M. S. P. Easthman,J. London Math. Soc. Ser. 2.,8, 427–437 (1974).
K. A. Mirzoev,Uspekhi Mat. Nauk [Russian Math. Surveys],40, No. 1 (241), 207–208 (1985).
K. A. Mirzoev,Mat. Zametki [Math. Notes],37, No. 5, 712–716 (1985).
V. P. Serebryakov,Mat. Zametki [Math. Notes],44, No. 6, 833–842 (1988).
V. P. Serebryakov,Izv. Vyssh. Uchebn. Zaved. Mat., [Soviet Math. J. (Iz. VUZ)], No. 3 (394), 45–50 (1995).
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Translated fromMatematicheskie Zametki, Vol. 61, No. 1, pp. 149–151, January, 1997.
Translated by S. K. Lando
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Serebryakov, V.P. Quasiregularity conditions for a “Pure imaginary” singular differential operator of the third order. Math Notes 61, 124–126 (1997). https://doi.org/10.1007/BF02355015
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DOI: https://doi.org/10.1007/BF02355015