@article{JLT_2018_28_4_JLT_2018_28_4_a11,
     author = {D. Husadzic and R. Mrden},
     title = {Singular {BGG} {Complexes} {Over} {Isotropic} {2-Grassmannian}},
     journal = {Journal of Lie theory},
     pages = {1149--1164},
     year = {2018},
     volume = {28},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JLT_2018_28_4_JLT_2018_28_4_a11/}
}