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Keywords:
disconjugate differential equation; Riccati equation
References:
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[8] Staněk S.: On properties of derivatives of the basic central dispersion in an oscillatory equation $y'' = q(t)y$ with an almost periodic coefficient $q$. AUPO, Fac. rerum nat., Vol. 79, Math. XXIII (1984), 45-50. MR 0837029 | Zbl 0584.34026
[9] Staněk S.: On the basic second kind central dispersion of $y'' = q(t)y$ with an almost periodic coefficient $q$. AUPO, Fac. rerum nat., Vol. 79, Math, XXIII (1984), 39-44. MR 0837028 | Zbl 0584.34025
[10] Staněk S.: A note on the oscillation of solutions of the differential equation $y'' = \lambda q(t)y$ with an almost periodic coefficient. AUPO, Fac. rerum nat., Vol. 82, Math, XXIV (1985).
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