@article{10_21136_MB_1994_126076,
     author = {\v{S}lapal, Josef},
     title = {On strong regularity of relations},
     journal = {Mathematica Bohemica},
     pages = {151--155},
     publisher = {mathdoc},
     volume = {119},
     number = {2},
     year = {1994},
     doi = {10.21136/MB.1994.126076},
     mrnumber = {1293248},
     zbl = {0807.04001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.1994.126076/}
}