%0 Journal Article %A I. Sh. Jabbarov %A S. A. Meshaik %A M. M. Ismailova %T On number of sheets of coverings defined by a system of equations in $n$-dimensional spaces %J Čebyševskij sbornik %D 2023 %P 16-30 %V 24 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/CHEB_2023_24_5_a1/ %G en %F CHEB_2023_24_5_a1