TY - JOUR AU - Yu. A. Konyaev TI - On a Method for Studying the Norm and the Stability of Solutions JO - Matematičeskie zametki PY - 2007 SP - 540 EP - 546 VL - 81 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2007_81_4_a6/ LA - ru ID - MZM_2007_81_4_a6 ER -