Geodesic

Volume 123 (1958) no. 2

Sommaire

Definition of a convex surface by a given function of its main curvatures
p. 215-218
Fourier series as a device for approximation of almost periodic functions
p. 219-222
On the general theory of optimal processes
p. 223-226
Mathematical methods of controlling abstract transformations
p. 227-230
On the asymptotic character of Lavrentiev's formulas
p. 231-234
On a certain principle of the existence of bounded, periodical and almost periodical solutions to systems of ordinary differential equations
p. 235-238
Representations of solutions of Euler--Poisson--Darboux equation with negative coefficient
p. 239-242
Converse Lie theorems for general operators of generalized translation
p. 243-245
Computations connected with the check of Riemann's hypothesis
p. 246-248
Eigen-values and characteristic functions of some fourth order differential operators containing a small parameter in the higher derivative term
p. 249-251
On ``period -- luminosity relation'' in the case of cepheids
p. 252-255
A study of the phase composition of meteoric iron by use of local X-ray spectrum analysis
p. 256-258
On the thermal conductivity of superconductors as due to phonons
p. 259-261
On the boundary problem of generalized hydrodynamics
p. 262-265
On the hydrodynamiс forecast of baric and kinematic fields (short-range weather forecast)
p. 266-268
Scattering and polarization of light by the atmosphere in the Libyan desert
p. 269-271
Investigation of the $\mathrm{SnTe}$ -- $\mathrm{GeTe}$ system
p. 279-281
The synthesis of mixed polyesters of the acryl series (polyesteracrylates)
p. 282-284
Enzymic synthesis of optically active peptides from glycol ethers of $D,L$-aminoacids
p. 285-288
The production of carboxylmethylcellulose fractions and investigation of their physical-chemical properties
p. 289-291
Ways of formation of propylene and ethylene in the cracking of isobutylene
p. 292-294
Direct introduction of lead into an organic molecule
p. 295-297
Dipole moments and reactivity of vinylacetylene hydrocarbons
p. 298-300
Production and properties of phenazine salts (on the relationship between chemical structure and the ability of forming free nitrogen radicals)
p. 301-304
The synthesis of rutin
p. 305-307
Molecular orbitals of radicals with non-alternant cycles
p. 308-311
Polarography at high pressures
p. 312-315
Adsorption of hydrocarbons at increased temperatures
p. 316-319
Extraction of sulphide inclusions from melted slags by means of electric field
p. 320-323
The role of the emulsifier in the redox initiation of emulsion polymerization
p. 324-326
Поправки к статье (ДАН, 109, \No~4, 1956~г.)