%0 Journal Article %A Andrzej Hulanicki %A Joe Jenkins %T Nilpotent Lie groups and eigenfunction expansions of Schrödinger operators II %J Studia Mathematica %D 1987 %P 239-252 %V 87 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-87-3-239-252/ %R 10.4064/sm-87-3-239-252 %G en %F 10_4064_sm_87_3_239_252