@article{10_21136_MB_1997_126216,
     author = {Machala, Franti\v{s}ek and Pomp, Marek},
     title = {Disjoint and complete unions of incidence structures},
     journal = {Mathematica Bohemica},
     pages = {365--374},
     publisher = {mathdoc},
     volume = {122},
     number = {4},
     year = {1997},
     doi = {10.21136/MB.1997.126216},
     mrnumber = {1489397},
     zbl = {0897.08002},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/MB.1997.126216/}
}