@article{MASLO_1992_42_2_a6,
     author = {Fe\v{c}kan, Michal},
     title = {On a theorem of {L.} {Lefton}},
     journal = {Mathematica slovaca},
     pages = {195--200},
     year = {1992},
     volume = {42},
     number = {2},
     mrnumber = {1170103},
     zbl = {0756.34028},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1992_42_2_a6/}
}