author = {Gavrilyuk, Ivan P. and Hackbusch, Wolfgang and Khoromskij, Boris N.},
title = {{Data-sparse approximation to a hierarchy of operator-valued functions}},
series = {Proceedings of the Annual GAMM Seminar},
volume = {18},
booktitle = {Proceedings of the 18th GAMM Seminar on multigrid and related methods for optimisation
problems [Leipzig, January, 2001]},
editor = {Griebel, Michael and Hackbusch, Wolfgang},
publisher = {Max-Planck-Institut für Mathematik in den Naturwissenschaften},
address = {Leipzig},
year = {2002},
pages = {31--51},isbn={3-00-009258-7},
institution = {{Max Planck Institute for Mathematics in the Sciences}},