@article{MAN_1981__258_163594,
     author = {Christian Okonek},
     title = {Homotopiegruppen des {Modulraumes} {MIP2} (?l,c2).},
     journal = {Mathematische Annalen},
     pages = {253--266},
     publisher = {mathdoc},
     volume = {258},
     year = {1981},
     zbl = {0476.14009},
     url = {http://geodesic.mathdoc.fr/item/MAN_1981__258_163594/}
}