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Oszillatorische Eigenschaften der Lösungen der linearen Differentialgleichung dritter Ordnung \(y\prime\prime\prime + 2A y\prime + (A\prime + b) y = 0\), wo \(A = A (x) \leqq 0\) ist. (German) Zbl 0093.08801


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[1] G. Sansone: Studi sulle equazioni differenziali lineari omogenee di terzo ordine nel campo reale. Revista Matem. y Fisica Teorica, Serie A, 1948, Tucuman, 195 - 253. · Zbl 0041.41903
[2] M. Greguš: O niektorých vlastnostiach riešení lineárnej diferenciálnej rovnice homogennej tretieho rádu. Matematicko-fyzikálny časopis SAV, 2, 1955, 73 - 85.
[3] M. Greguš: Homogénny okrajový problém pre integrály lineárnej diferenciálnej rovnice tretieho rádu. Acta facultatis Rerum naturalium U. C. Bratislava, 2, 1957, 219-227.
[4] М. Грегуш: О некоторых новых краевых проблемах дифференциального уравнения третьего порядка. Чехословац. мат. журнал 7, 1957, 41-47. · Zbl 0995.90594
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