TY  - JOUR
AU  - B. N. Karlov
TI  - On elementary equivalence of some unoids and unoids of their subsets
JO  - Vestnik Tverskogo gosudarstvennogo universiteta. Seriâ Prikladnaâ matematika
PY  - 2021
SP  - 18
EP  - 32
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VTPMK_2021_3_a1/
LA  - ru
ID  - VTPMK_2021_3_a1
ER  -