@article{MM3_2009_13_2_a4,
     author = {Milan Taskovi\'c},
     title = {Every {Set} {Has} at {Least} {Three} {Choice} {Functions}},
     journal = {Mathematica Moravica},
     pages = {103 - 116},
     publisher = {mathdoc},
     volume = {13},
     number = {2},
     year = {2009},
     url = {https://geodesic-test.mathdoc.fr/item/MM3_2009_13_2_a4/}
}