TY - BOOK AU - Pestman,Wiebe R. TI - Minimal bi-invariant Hilbert subspaces of distribution on nilpotent lie groups II T2 - Report 9448 AV - MATH QA3.R46 no.9448 PY - 1994/// CY - :Nijmegen PB - Catholic University, Department of Mathematics KW - Invariant subspaces KW - Lie groups KW - Nilpotent KW - Hilbert space N1 - Includes bibliographical references ER -