@article{MM2_1977__22_154500,
     author = {Shihoko Ishii},
     title = {Some {Projective} {Concentration} {Theorems.}},
     journal = {Manuscripta mathematica},
     pages = {343--358},
     publisher = {mathdoc},
     volume = {22},
     year = {1977},
     zbl = {0365.14004},
     url = {http://geodesic.mathdoc.fr/item/MM2_1977__22_154500/}
}