TY - JOUR AU - N. Filonov TI - An inequality for eigenvalues of the Dirichlet and Neumann problems for the Laplace operator JO - Algebra i analiz PY - 2004 SP - 172 EP - 176 VL - 16 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2004_16_2_a5/ LA - ru ID - AA_2004_16_2_a5 ER -