The group structure of Hecke groups H $(lambda_q)$
($sigma$, $tau$)-Lie ideals in prime rings with derivation
A note on double sequences of fuzzy numbers
Extensions of Caristi-Kirk's theorem
$T_2$-objects in categories of filter and local filter convergence spaces
Absolutely representing systems and convolution operators in the complex domain
Normal boundary value problems for differential equations of higher order
F. G. MAKSUDOV, Z. I. ISMAILOV
Rings in which strongly prime right ideals are finitely generated