Bolibekian HR. THREE-VALUED PREDICATE CALCULI WITH THE SYMBOL OF UNCERTAINTY. Proc. YSU A: Phys. Math. Sci. [Internet]. 2002 Jul. 15 [cited 2026 Jan. 22];36(2 (198):44-50. Available from: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol36_no2_2002_pp044-050