TY  - JOUR
AU  - Z. 

 Ognjanović
AU  - T. Timotijević
TI  - On two 

 approaches to modal theorem proving
JO  - Novi Sad Journal of Mathematics
PY  - 2000
SP  - 83
EP  - 93
VL  - 30
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NSJOM_2000_30_2a_8/
ID  - NSJOM_2000_30_2a_8
ER  -