TY  - JOUR
AU  - V. F. Yakovlev
TI  - The Ashby principle in a hierarchy of representations of
JO  - Doklady Akademii Nauk
PY  - 1994
SP  - 176
EP  - 178
VL  - 339
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1994_339_2_a6/
LA  - ru
ID  - DAN_1994_339_2_a6
ER  -