@article{10_21136_CPM_1989_108716,
     author = {Matra\'s, Andrzej},
     title = {On {Havl{\'\i}\v{c}ek-Tietze} configuration in some {non-Desarguesian} planes},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {133--137},
     publisher = {mathdoc},
     volume = {114},
     number = {2},
     year = {1989},
     doi = {10.21136/CPM.1989.108716},
     mrnumber = {1063757},
     zbl = {0681.51005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1989.108716/}
}