@article{UM_2015_23_1_a5,
     author = {Kobza, Ale\v{s}},
     title = {O jist\'e soustav\v{e} neline\'arn{\'\i}ch rovnic},
     journal = {U\v{c}itel matematiky},
     pages = {52--58},
     year = {2015},
     volume = {23},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2015_23_1_a5/}
}