TY  - JOUR
AU  - O. N. German
AU  - I. A. Tlyustangelov
TI  - Symmetries of a two-dimensional continued fraction
JO  - Izvestiya. Mathematics 
PY  - 2021
SP  - 666
EP  - 680
VL  - 85
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_2021_85_4_a2/
LA  - en
ID  - IM2_2021_85_4_a2
ER  -