Hakopian YH, Hovhannisyan HA. ALGEBRAIC MULTIGRID PRECONDITIONER FOR SECOND ORDER FINITE ELEMENT APPROXIMATIONS IN RECTANGULAR DOMAINS. II. MULTIGRID PRECONDITIONER. Proc. YSU A: Phys. Math. Sci. [Internet]. 2003 Jun. 3 [cited 2026 Jan. 22];37(2 (201):18-24. Available from: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol37_no2_2003_pp018-024