Geodesic
On oscillation of two terms linear differential equation with alternating potential
Eurasian mathematical journal, Tome 3 (2012) no. 2, pp. 135-140.

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Two terms high order linear differential equation are studied. For the case when potential alternats in any neighborhood of infinity, oscillation and nonoscillation conditions formulated in unified terms are obtained. 
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L. K. Kussainova. On oscillation of two terms linear differential equation with alternating potential. Eurasian mathematical journal, Tome 3 (2012) no. 2, pp. 135-140. http://geodesic.mathdoc.fr/item/EMJ_2012_3_2_a9/

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