@article{SJC_2012__6_2_219593,
     author = {Boev, Stoyan and Landjev, Ivan},
     title = {On {Blocking} {Sets} in {Affine} {Hjelmslev} {Planes}},
     journal = {Serdica Journal of Computing},
     pages = {175},
     publisher = {mathdoc},
     volume = {6},
     number = {2},
     year = {2012},
     zbl = {06257137},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/SJC_2012__6_2_219593/}
}