Volume 41, Issue 2

On history of development of optimal control theory in Azerbaijan
by Misir J. Mardanov
 3  –  21

Some spectral properties of the boundary value problem with spectral parameter in the boundary conditions
by Ziyatkhan S. Aliyev and Fatimakhanim I. Allahverdizada
 22  –  35

Global bifurcation of solutions of nonlinear onedimensional Dirac system
by Humay Sh. Rzayeva
 36  –  46

Some remarks on nonlinear hyperbolic equation
by Kamal N. Soltanov
 47  –  62

ParaNordenian structures on the cotangent bundle with respect to the CheegerGromoll metric
by Filiz Ocak
 63  –  69

On the equivalent bases of cosines in generalized Lebesgue spaces
by Zaur A. Kasumov and Chingiz M. Hashimov
 70  –  76

Basis properties in the space $L_p(0,1)$ of root functions of the boundary value problem with spectral parameter in the boundary conditions
by Aida A. Dunyamaliyeva
 77  –  82

Switching lumped controls
by Ali Hamidoglu
 83  –  90

On approximate solution of a singular integral equation of Neumann's external boundary value problem for a wave equation
by Elnur H. Khalilov
 91  –  105

On the representation by sums of ridge functions
by Rashid A. Aliev, Vugar E. Ismailov and Tarana M. Shahbalayeva
 106  –  118

A sufficiency condition for the weighted Poincare's type inequality
by Vafa A. Mamedova
 119  –  123

Variational principle for twoparameter spectral problem under left definiteness condition
by Eldar Sh. Mamedov
 124  –  129

Sasun Yakubovich Yakubov — 80
 130  –  132
