TY - JOUR AU - Fabricant, Alexander AU - Kutev, Nikolai AU - Rangelov, Tsviatko TI - The Asymptotic Behaviour of the First Eigenvalue of Linear Second-Order Elliptic Equations in Divergente Form JO - Serdica Mathematical Journal PY - 2007 SP - 47 EP - 58 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2007_33_1_a2/ LA - en ID - SMJ2_2007_33_1_a2 ER -