@article{JRAM_1987__374_152893,
     author = {Christian Okonek},
     title = {Barth-Lefschetz theorems for singular spaces.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {24--38},
     publisher = {mathdoc},
     volume = {374},
     year = {1987},
     zbl = {0595.32036},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1987__374_152893/}
}