TY - JOUR AU - V. Del Barco TI - Symplectic Structures on Nilmanifolds: an Obstruction for their Existence JO - Journal of Lie Theory PY - 2014 SP - 889 EP - 908 VL - 24 IS - 3 UR - https://jolt.centre-mersenne.org/articles/10.5802/jolt.811/ DO - 10.5802/jolt.811 ID - JOLT_2014_24_3_a13 ER -