@article{10_21136_CMJ_1988_102264,
     author = {Bart{\'\i}k, Vojt\v{e}ch and Markl, Martin},
     title = {On bijectivity of the canonical transformation $[\beta_G X;Y]_G \to [X;Y]_G$},
     journal = {Czechoslovak Mathematical Journal},
     pages = {682--700},
     publisher = {mathdoc},
     volume = {38},
     number = {4},
     year = {1988},
     doi = {10.21136/CMJ.1988.102264},
     mrnumber = {962912},
     zbl = {0672.55006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1988.102264/}
}