TY - JOUR AU - H. A. Mamikonyan TI - Lyapunov function of semi-groups generated by a class of Sobolev type equations JO - Proceedings of the Yerevan State University. Physical and mathematical sciences PY - 2008 SP - 3 EP - 9 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UZERU_2008_3_a0/ LA - ru ID - UZERU_2008_3_a0 ER -