Persson L E 1

1. Inequalities for the Fourier coefficients in unbounded orthogonal systems in generalized Lorentz spaces
2. OSCILLATORY AND SPECTRAL PROPERTIES OF A CLASS OF FOURTH–ORDER DIFFERENTIAL OPERATORS VIA A NEW HARDY–TYPE INEQUALITY
3. On the Heat and Wave Equations with the Sturm-Liouville Operator in Quantum Calculus
4. Well-posedness of heat and wave equations generated by Rubin’s q-difference operator in Sobolev spaces
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