@article{UM_1999_7_4_a3,
     author = {Calda, Emil},
     title = {Kombinace nejen s nesousedn{\'\i}mi \v{c}leny},
     journal = {U\v{c}itel matematiky},
     pages = {215--219},
     year = {1999},
     volume = {7},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_1999_7_4_a3/}
}