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- [21] SECOND-ORDER NONLINEAR OSCILLATION - DEVIATING ARGUMENTS MONATSHEFTE FUR MATHEMATIK, 1971, 75 (04): : 341 - &
- [28] Transformation technique, fixed point theorem and positive solutions for second-order impulsive differential equations with deviating arguments ADVANCES IN DIFFERENCE EQUATIONS, 2014,
- [29] Transformation technique, fixed point theorem and positive solutions for second-order impulsive differential equations with deviating arguments Advances in Difference Equations, 2014