TY - JOUR AU - A. M. Akhtyamov TI - Calculating the Coefficients of the Expansion in Derived Keldysh Chains for an Elliptic Problem with Parameter in the Boundary Condition JO - Matematičeskie zametki PY - 2001 SP - 622 EP - 625 VL - 69 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2001_69_4_a9/ LA - ru ID - MZM_2001_69_4_a9 ER -