TY - JOUR AU - I. Sh. Jabbarov AU - S. A. Meshaik AU - M. M. Ismailova TI - On number of sheets of coverings defined by a system of equations in $n$-dimensional spaces JO - Čebyševskij sbornik PY - 2023 SP - 16 EP - 30 VL - 24 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2023_24_5_a1/ LA - en ID - CHEB_2023_24_5_a1 ER -