TY  - JOUR
AU  - Calude, Cristian
AU  - Păun, Gheorghe
TI  - Independent instances for some undecidable problems
JO  - RAIRO. Informatique théorique
PY  - 1983
SP  - 49
EP  - 54
VL  - 17
IS  - 1
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/ITA_1983__17_1_49_0/
LA  - en
ID  - ITA_1983__17_1_49_0
ER  -