TY  - JOUR
AU  - Oleg V. Kaptsov
TI  - Iterations and groups of formal transformations
JO  - Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika
PY  - 2021
SP  - 584
EP  - 588
VL  - 14
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JSFU_2021_14_5_a4/
LA  - en
ID  - JSFU_2021_14_5_a4
ER  -