TY  - JOUR
AU  - S. V. Sudoplatov
TI  - Hierarchy of families of theories and their rank characteristics
JO  - The Bulletin of Irkutsk State University. Series Mathematics
PY  - 2020
SP  - 80
EP  - 95
VL  - 33
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IIGUM_2020_33_a5/
LA  - en
ID  - IIGUM_2020_33_a5
ER  -