TY  - JOUR
AU  - I. Sh. Kalimullin
TI  - Almost computably enumerable families of sets
JO  - Sbornik. Mathematics
PY  - 2008
SP  - 1451
EP  - 1458
VL  - 199
IS  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_2008_199_10_a1/
LA  - en
ID  - SM_2008_199_10_a1
ER  -