@article{MOMA_1981__92_178045,
     author = {Izu Vaisman},
     title = {The {Bott} {Obstruction} to the {Existence} of {Nice} {Polarizations.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {231--238},
     year = {1981},
     volume = {92},
     zbl = {0459.53028},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1981__92_178045/}
}