## Found 18 Documents (Results 1–18)

100
MathJax

### On reduction of ultrahyperbolic d’Alembert equation in the pseudo- Euclidean space $$R_{2,2}$$. (Russian. English summary)Zbl 0724.35067

Reviewer: A.Klíč (Praha)
MSC:  35L70 35Q99

### Exact solutions and the superposition principle for the nonlinear wave equation. (Russian. English summary)Zbl 0724.35023

MSC:  35C05 35L70 35Q99

### Numerical realization of the LIDE method for nonstationary heat conduction equation. (Russian. English summary)Zbl 0723.65077

MSC:  65M60 65M15 35K15

### Mamman’s theorem for systems of first order differential equations. (Russian. English summary)Zbl 0715.34063

Reviewer: J.Jarník
MSC:  34C10

### On approximate symmetry in solutions of the nonlinear wave equation with a small parameter. (Russian. English summary)Zbl 0714.35050

Reviewer: E.D.Belokolos
MSC:  35L70 35Q99

MSC:  34G10

### Asymptotic solutions of second order differential equations with slowly varying and oscillating coefficients. (Russian. English summary)Zbl 0667.34010

Reviewer: J.H.Tian
MSC:  34A12 34B05

### The stability of cylindrical shells under with time fast growing loadings. (Russian)Zbl 0664.73024

Reviewer: G.V.Vasiliev
MSC:  74H55 74K15 74E30

### The Lax representation for dynamic systems of oscillator type on spheres. (Russian. English summary)Zbl 0614.34044

MSC:  37-XX 34C10

MSC:  34A45

### Construction of periodic solutions in highly nonlinear systems. (Russian. English summary)Zbl 0635.34033

Reviewer: V.Kozobrod
MSC:  34C25 37-XX

### Diffraction of waves on inhomogeneous and layer-wise inhomogeneous elastic cylinders. (Russian. English summary)Zbl 0634.73017

Reviewer: W.Kosinski
MSC:  74J20 74E05

### Suboptimal control for nonstationary parabolic equations with two viscous boundaries. (Russian. English summary)Zbl 0576.49002

MSC:  49J20 35K20 93C20

### Substantiations of the averaging method for systems with delay subjected to impulse action. (Russian. English summary)Zbl 0563.34051

MSC:  34C29 34C25

MSC:  34C11

### Construction of oscillating solutions of a nonlinear Cauchy type problem by averaging on small sections. (Russian)Zbl 0503.45008

MSC:  45J05 45L05

### On a study of oscillations and stability of systems with piecewise variable parameter distribution. (Russian)Zbl 0494.45005

MSC:  45J05 45M10 34A25

### On the organization of parallel calculations for the solution nonlinear differential equations. (Russian)Zbl 0486.65046

MSC:  65L05 68N25

all top 5

all top 3