TY - JOUR AU - Andrey B. Andreev AU - Milena R. Racheva TI - Variational Aspects of the Mixed Formulation for Fourth-Order Elliptic Eigenvalue Problems JO - Mathematica balkanica PY - 2004 SP - 41 VL - 18 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MABA_2004_18_1-2_a3/ ID - MABA_2004_18_1-2_a3 ER -