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@article{10_4064_cm_24_2_253_257, author = {W. Waliszewski}, title = {On some operation on sets of mappings}, journal = {Colloquium Mathematicum}, pages = {253--257}, publisher = {mathdoc}, volume = {24}, number = {2}, year = {1971}, doi = {10.4064/cm-24-2-253-257}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-24-2-253-257/} }
W. Waliszewski. On some operation on sets of mappings. Colloquium Mathematicum, Tome 24 (1971) no. 2, pp. 253-257. doi : 10.4064/cm-24-2-253-257. http://geodesic.mathdoc.fr/articles/10.4064/cm-24-2-253-257/
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