@article{GFA_1993__3_6_58143,
     author = {X. Rong},
     title = {The {Existence} of {Polarized} {F-structure} on {Volume} {Collapsed} 4-manifolds.},
     journal = {Geometric and functional analysis},
     pages = {474--501},
     publisher = {mathdoc},
     volume = {3},
     number = {6},
     year = {1993},
     zbl = {0813.53030},
     url = {http://geodesic.mathdoc.fr/item/GFA_1993__3_6_58143/}
}