TY  - JOUR
AU  - E. S. Bozhich
TI  - On arithmetic with the notion of ``attainable number''
JO  - Izvestiya. Mathematics 
PY  - 1987
SP  - 477
EP  - 510
VL  - 29
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM2_1987_29_3_a0/
LA  - en
ID  - IM2_1987_29_3_a0
ER  -