TY  - JOUR
AU  - V. L. Selivanov
TI  - The structure of degrees of generalized index sets
JO  - Algebra i logika
PY  - 1982
SP  - 472
EP  - 491
VL  - 21
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AL_1982_21_4_a5/
LA  - ru
ID  - AL_1982_21_4_a5
ER  -