Self-adjoint differential equations and generalized Karamata functions
Entire Solutions of a Class of Even Order Quasilinear Elliptic Equations.
Increasing solutions of Thomas-Fermi type differential equations - the sublinear case
Regularly varying solutions of generalized Thomas-Fermi equations
Nonoscillation theorems for a class of neutral functional differential equations of arbitrary order
A Picone type identity for second-order half-linear differential equations.
Existence of oscillatory solutions for functional differential equations of neutral type.
Forced superlinear oscillations via Picone's identity.
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