%0 Journal Article
%A Noriyuki Abe
%T First extension groups of Verma modules and R-polynomials
%J Journal of Lie Theory
%D 2015
%P 377-393
%V 25
%N 2
%U http://geodesic.mathdoc.fr/item/JOLT_2015_25_2_a3/
%F JOLT_2015_25_2_a3