# Accession Number:

## AD0662522

# Title:

## LENINGRAD UNIVERSITY. HERALD. MATHEMATICS, MECHANICS AND ASTRONOMY SERIES, VOL. 19, NO. 13, 1964: COLLECTION OF ARTICLES.

# Descriptive Note:

# Corporate Author:

## FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

# Personal Author(s):

# Report Date:

## 1967-04-17

# Pagination or Media Count:

## 241.0

# Abstract:

Contents Strict estimate of error of integration of differential equations by the Stormer method One criterion of stability of Hills equation Asymptotic distribution of third order integral matrices An approximate method of solution of dirichlet problem, and estimates of the rate of convergence of solution of difference equations to solutions of elliptic equations with discontinuous coefficients Norms of linear polynomial operators in connection with problems of approximation of continuous functions Certain theorems about probability search in a determined field Nonstationary problem the dissipation of jet Investigation of change of pressure along length and ends of the eiffel chamber of the supersonic wind tunnel The turbulent boundary layer on a penetrable flat plate Radiant gas flow near the stagnation point of a blunt-nosed body Experimental investigation of the initial stage of stream formation The question about sources of opacity of atmospheres of stars of late spectral classes A point source in a semi-infinite medium bounded by a reflective surface Application of methods of analytic dynamics in the theory of optimal transfers Dividing partitions for certain families of measures Flagtensor algebra On absence of a positive discrete spectrum for the laplacian operator of the dirichlet problem in certain unbounded regions One simple method of establishing independence of statistics Nonstationary melting of bodies under the action of aerodynamic heating Rotational motion of a sphere in a rare flow of high speed.

# Descriptors:

# Subject Categories:

- Astrophysics
- Statistics and Probability
- Fluid Mechanics