Roberts, J.. "On a problem of C. Kuratowski concerning upper semi-continuous collections." Fundamenta Mathematicae 14.1 (1929): 96-102. <http://eudml.org/doc/212152>.
@article{Roberts1929, author = {Roberts, J.}, journal = {Fundamenta Mathematicae}, language = {eng}, number = {1}, pages = {96-102}, title = {On a problem of C. Kuratowski concerning upper semi-continuous collections}, url = {http://eudml.org/doc/212152}, volume = {14}, year = {1929}, }
TY - JOUR AU - Roberts, J. TI - On a problem of C. Kuratowski concerning upper semi-continuous collections JO - Fundamenta Mathematicae PY - 1929 VL - 14 IS - 1 SP - 96 EP - 102 LA - eng UR - http://eudml.org/doc/212152 ER -