TY  - JOUR
AU  - V. V. Konyukhovskii
TI  - Some metric properties of Engel's representation
JO  - Sbornik. Mathematics
PY  - 1972
SP  - 249
EP  - 265
VL  - 18
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1972_18_2_a6/
LA  - en
ID  - SM_1972_18_2_a6
ER  -