@article{JOLT_2012_22_2_a10,
     author = {Petr Somberg},
     title = {Homomorphisms of {Generalized} {Verma} {Modules,} {BGG} {Parabolic} {Category} {O\protect\textsuperscript{p}} and {Juhl's} {Conjecture}},
     journal = {Journal of Lie Theory},
     pages = {541--555},
     year = {2012},
     volume = {22},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2012_22_2_a10/}
}