@article{CMJ_2005__55_3_a9,
     author = {Chajda, Ivan and \v{S}e\v{s}elja, Branimir and Tepav\v{c}evi\'c, Andreja},
     title = {A note on triangular schemes for weak congruences},
     journal = {Czechoslovak Mathematical Journal},
     pages = {683--690},
     publisher = {mathdoc},
     volume = {55},
     number = {3},
     year = {2005},
     mrnumber = {2153092},
     zbl = {1081.08004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2005__55_3_a9/}
}