TY - JOUR AU - Andreev, Andrey AU - Racheva, Milena TI - Two-sided bounds of eigenvalues of second- and fourth-order elliptic operators JO - Applications of Mathematics PY - 2014 SP - 371 EP - 390 VL - 59 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1007/s10492-014-0062-6/ DO - 10.1007/s10492-014-0062-6 LA - en ID - 10_1007_s10492_014_0062_6 ER -