@article{10_21136_CPM_1979_118015,
     author = {Lewandowski, Andrzej and Makowiecka, Hanna},
     title = {A geometrical characterization of the projective plane of order $4$},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {185--187},
     year = {1979},
     volume = {104},
     number = {2},
     doi = {10.21136/CPM.1979.118015},
     mrnumber = {531930},
     zbl = {0412.51005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1979.118015/}
}