@article{MASLO_1959_9_4_a3,
     author = {Jakub{\'\i}k, J\'an},
     title = {Konvexn\'e re\v{t}azce v \v{c}iasto\v{c}ne usporiadan\'ych grup\'ach},
     journal = {Mathematica slovaca},
     pages = {236--242},
     year = {1959},
     volume = {9},
     number = {4},
     mrnumber = {0125168},
     zbl = {0096.01403},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1959_9_4_a3/}
}