@article{oai:repository.dl.itc.u-tokyo.ac.jp:00040023, author = {Kaip, Mario and Saal, Jürgen}, issue = {3}, journal = {Journal of mathematical sciences, the University of Tokyo}, month = {Oct}, pages = {359--407}, title = {The permanence of R-boundedness and property(α) under interpolation and applications to parabolic systems}, volume = {19}, year = {2012} }