%0 Journal Article
%A N. 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 https://jolt.centre-mersenne.org/articles/10.5802/jolt.841/
%R 10.5802/jolt.841
%F JOLT_2015_25_2_a3