TY - JOUR AU - Yu. R. Hakopian AU - H. A. Hovhannisyan TI - Algebraic multilevel preconditioner for second order finite element approximation in rectangular domains. II. Multigrid preconditioner JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2003 SP - 18 EP - 24 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2003_2_a2/ LA - ru ID - UZERU_2003_2_a2 ER -