TY  - JOUR
AU  - Ďuriš, Pavol
TI  - Two new proof techniques for investigating the computational power of two-way computing devices [Abstract of thesis]
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1989
SP  - 197
EP  - 198
VL  - 30
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1989__30_1_a30/
LA  - en
ID  - CMUC_1989__30_1_a30
ER  -