@article{ADM_2018_25_1_a4,
     author = {Danica Jakub{\'\i}kov\'a-Studenovsk\'a and Lucia Jani\v{c}kov\'a},
     title = {Construction of a complementary quasiorder},
     journal = {Algebra and discrete mathematics},
     pages = {39--55},
     publisher = {mathdoc},
     volume = {25},
     number = {1},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ADM_2018_25_1_a4/}
}