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Ein Kriterium für die Selbstadjungiertheit elliptischer Differentialoperatoren im \(R_ n\). (German) Zbl 0134.31204


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[1] Wienholtz, E.: Bemerkungen Über elliptische Differentialoperatoren. Arch. Math.10, 126-133 (1959). · Zbl 0109.07202 · doi:10.1007/BF01240774
[2] Hellwig, G.: Differentialoperatoren der mathematischen Physik. Berlin-Göttingen-Heidelberg: Springer 1964. · Zbl 0134.08602
[3] ? Partielle Differentialgleichungen. Stuttgart: Teubner 1960. · Zbl 0087.29802
[4] Levinson, N.: Criteria for the limit-point case for second order linear differential operators. ?asopis P?st. Math. Fys.74, 17-20 (1949). · Zbl 0033.18102
[5] Ikebe, T., andT. Kato: Uniqueness of the self-adjoint extension of singular elliptic differential operators. Arch. Rat. Mech. Analysis9, 77-92 (1962). · Zbl 0103.31801 · doi:10.1007/BF00253334
[6] Rohde, H.-W.: Über die Symmetrie elliptischer Differentialoperatoren. Math. Z.,86, 21-33 (1964). · Zbl 0178.13101 · doi:10.1007/BF01111274
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