@article{MS2_1956__4_165623,
     author = {POUL NEERUP},
     title = {G\"UNTHER {PICKERT:} {Projektive} {Ebenen}},
     journal = {Mathematica Scandinavica},
     pages = {178--182},
     publisher = {mathdoc},
     volume = {4},
     year = {1956},
     url = {http://geodesic.mathdoc.fr/item/MS2_1956__4_165623/}
}