Interpolation of several multiparametric approximation spaces. - Irina Asekritova; Yu. A. Brudnyi (J. Approx. Theory, 2004)

Stability of Fredholm properties on interpolation Banach spaces. - Irina Asekritova; Natan Kruglyak; Mieczyslaw Mastylo (J. Approx. Theory, 2020)