TY  - JOUR
AU  - A. Nies
TI  - The last question on recursively enumerable m-degrees
JO  - Algebra i logika
PY  - 1994
SP  - 550
EP  - 563
VL  - 33
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1994_33_5_a2/
LA  - ru
ID  - AL_1994_33_5_a2
ER  -