TY  - JOUR
AU  - A. R. Mirotin
TI  - Letter to the editors
JO  - Journal of the Belarusian State University. Mathematics and Informatics
PY  - 2020
SP  - 92
VL  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BGUMI_2020_3_a9/
LA  - en
ID  - BGUMI_2020_3_a9
ER  -