TY  - JOUR
AU  - M. M. Arslanov
TI  - Structural theory of degrees of unsolvability: advances and open problems
JO  - Algebra i logika
PY  - 2015
SP  - 529
EP  - 535
VL  - 54
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_2015_54_4_a7/
LA  - ru
ID  - AL_2015_54_4_a7
ER  -