| Table of contents Cubo vol.21 no.1 Temuco Apr. 2019 Articles | | | | · On algebraic and uniqueness properties of harmonic quaternion fields on 3d manifolds Belishev, M. I.; Vakulenko, A. F.
| | | | · Some New Simple Inequalities Involving Exponential, Trigonometric and Hyperbolic Functions Bagul, Yogesh J.; Chesneau, Christophe
| | | | · Commutator criteria for strong mixing II. More general and simpler Richard, S.; Tiedra de Aldecoa, R.
| | | | · Certain integral Transforms of the generalized Lommel-Wright function Haq, S.; Nisar, K.S.; Khan, A.H.; Suthar, D.L.
| | | | · On Fractional Integro-differential Equations with State-Dependent Delay and Non-Instantaneous Impulses Aissani, Khalida; Benchohra, Mouffak; Benkhettou, Nadia
| | | | · Positive periodic solutions of functional discrete systems with a parameter Raffoul, Youssef N.; Yankson, Ernest
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