Geodesic

Volume 13 (1977) no. 3

Sommaire

Some questions on the controllability of two-dimensional systems
p. 387-397
A priori estimates of the solutions of a two-point boundary value problem
p. 398-405
Limit cycles and Darboux integrals in the case of a node
p. 406-415
On the problem of the decomposability of linear systems
p. 416-426
Extremal arcs and extended Hamiltonian systems
p. 427-442
Topological equivalence of linear actions of $\mathbf R^2$ on $\mathbf R^n$
p. 443-448
Observability of dynamical systems with lag by a group of filters
p. 449-454
Asymptotic finite-dimensionality of the space of solutions of a certain class of systems with lag
p. 455-462
The index of a singular point of the equation $y'=\frac{P_4(x,y)}{Q_4(x,y)}$
p. 463-467
A problem with nonlocal boundary conditions for operator-differential equations of odd order
p. 468-476
The mixed boundary value problem for a second order linear elliptic equation
p. 477-480
Uniqueness and membership in the class $W_2^1$ of the classical solution of a mixed problem for hyperbolic systems of A.\,V.~Bicadze type in an arbitrary cylinder
p. 481-488
The variational method for the solution of degenerate elliptic equations in a half-space
p. 489-496
Solution of a mixed problem for a second order parabolic equation under boundary conditions of mixed type
p. 497-508
On the problem of determining the right hand side of hyperbolic systems
p. 509-515
Completely continuous imbeddings in weighted classes of functions, and conditions for discreteness of the spectrum of a nonregular elliptic operator
p. 516-528
The plane inverse problem for magnetic potential
p. 529-537
The behavior near the boundary of the derivatives of the solution of a certain boundary value problem
p. 538-543
A uniqueness theorem for a certain inverse problem for a hyperbolic equation
p. 544-551
The entire solutions of a linear functional-differential system
p. 552-555
Complete controllability of linear systems with variable structure
p. 556-558
Multivariable control systems
p. 559-560
The controllability of a linear system in a Banach space
p. 561-563
\"Uber eine singul\"are Integralgleichung auf der Riemannschen Fl\"ache einer algebraischen Funktion
p. 564-566
A support principle for difference inclusions
p. 567-569