The group structure of Hecke groups H $(lambda_q)$
A note on double sequences of fuzzy numbers
Normal boundary value problems for differential equations of higher order
F. G. MAKSUDOV, Z. I. ISMAILOV
Extensions of Caristi-Kirk's theorem
On comformally flat Lorentzian spaces satisfying a certain condition on the curvature tensor
Absolutely representing systems and convolution operators in the complex domain
($sigma$, $tau$)-Lie ideals in prime rings with derivation
$T_2$-objects in categories of filter and local filter convergence spaces