@article{MZ_1970__116_171377,
     author = {Herbert Popp},
     title = {Ein {Satz} vom {Lefschetzschen} {Typ} \"uber die {Fundamentalgruppe} quasi-projektiver {Schemata.}},
     journal = {Mathematische Zeitschrift},
     pages = {143--152},
     publisher = {mathdoc},
     volume = {116},
     year = {1970},
     zbl = {0199.55801},
     url = {http://geodesic.mathdoc.fr/item/MZ_1970__116_171377/}
}