@article{10_4064_sm_88_3_197_207,
     author = {H. \.Zo{\l}\k{a}dek},
     title = {On relations between additive and multiplacative clustering operators},
     journal = {Studia Mathematica},
     pages = {197--207},
     publisher = {mathdoc},
     volume = {88},
     number = {3},
     year = {1988},
     doi = {10.4064/sm-88-3-197-207},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-88-3-197-207/}
}