TY - JOUR AU - C. Stroppel TI - Homomorphisms and Extensions of Principal Series Representations JO - Journal of Lie Theory PY - 2003 SP - 193 EP - 212 VL - 13 IS - 1 UR - https://jolt.centre-mersenne.org/articles/10.5802/jolt.298/ DO - 10.5802/jolt.298 ID - JOLT_2003_13_1_a11 ER -