@article{10_4064_ap_29_4_421_427,
     author = {K. Kuratowski},
     title = {On the selector problems for the partitions of {Polish} spaces and for the compact-valued mappings},
     journal = {Annales Polonici Mathematici},
     pages = {421--427},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {1974},
     doi = {10.4064/ap-29-4-421-427},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-29-4-421-427/}
}