@article{DOCMA_2020__25__a67,
     author = {Kuribayashi, Katsuhiko},
     title = {On the {Whistle} {Cobordism} {Operation} in {String} {Topology} of {Classifying} {Spaces}},
     journal = {Documenta mathematica},
     pages = {125--142},
     publisher = {mathdoc},
     volume = {25},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DOCMA_2020__25__a67/}
}