# Differential Equations | 2004(40) articles

- Viktor Antonovich Sadovnichii (A tribute in honor of his sixty-fifth birthday)
- Well-Posedness of the Cauchy Problem for Linear Systems of Generalized Ordinary Differential Equations on an Infinite Interval
- Investigation of Relaxation Oscillations with the Use of Constructive Nonstandard Analysis : II
- Periodic Solutions of a Class of Nonlinear Systems of Ordinary Differential Equations
- On the Unique Solvability of the Dirichlet Problem for a Second-Order Linear Functional-Differential Equation
- Asymptotic Behavior of the Density of the Spectral Measure of the Singular Sturm–Liouville Operator
- Formulas for the Variation of the Solution of a Differential Equation with Retarded Arguments and with a Continuous Initial Condition
- Some Hardy Inequalities on the Heisenberg Group
- An Analog of the Peano Theorem for Fractional-Order Quasilinear Equations in Compactly Embedded Scales of Banach Spaces
- Solitary Waves in the Model of a Predeformed Nonlinear Composite
- Generalized Solutions in L 2 of the Second Boundary Value Problem for the Wave Equation
- Boundary Value Problems for a Parabolic Equation with Integral Conditions
- A Multidimensional Version of the Darboux Problem for a Model Degenerating Second-Order Hyperbolic Equation