TY  - JOUR
AU  - V. G. Kanovei
TI  - Undecidable and decidable properties of constituents
JO  - Sbornik. Mathematics
PY  - 1985
SP  - 491
EP  - 519
VL  - 52
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1985_52_2_a11/
LA  - en
ID  - SM_1985_52_2_a11
ER  -