TY - JOUR AU - Asekritova, I. AU - Cobos Díaz, Fernando AU - Kruglyak, N. PY - 2015 DO - 10.4171/ZAA/1525 SN - 0232-2064 UR - https://hdl.handle.net/20.500.14352/34652 T2 - Zeitschrift Fur Analysis Und Ihre Anwendungen AB - Let (Y0, Y1) be a Banach couple and let Xj be a closed complemented subspace of Yj ; (j = 0; 1). We present several results for the general problem of finding necessary and sufficient conditions on the parameters (θ, q) such that the real... M2 - 1 PB - Heldermann Verlag KW - Interpolation of subspaces KW - K-functional KW - Sobolev spaces TI - Interpolation of closed subspaces and invertibility of operators TY - journal article VL - 34 ER -