TY  - JOUR
AU  - R. I. Podlovchenko
TI  - Solvability of the problem of equivalent transformations in
JO  - Doklady Akademii Nauk
PY  - 1994
SP  - 577
EP  - 580
VL  - 337
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1994_337_5_a3/
LA  - ru
ID  - DAN_1994_337_5_a3
ER  -