TY  - JOUR
AU  - Ko, Ker-I
TI  - A note on separating the relativized polynomial time hierarchy by immune sets
JO  - RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
PY  - 1990
SP  - 229
EP  - 240
VL  - 24
IS  - 3
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/ITA_1990__24_3_229_0/
LA  - en
ID  - ITA_1990__24_3_229_0
ER  -