@article{10_4064_fm_166_3_281_303,
     author = {K. Musia{\l} and W. Strauss and N. D. Macheras},
     title = {Product liftings and densities with lifting invariant and density invariant sections},
     journal = {Fundamenta Mathematicae},
     pages = {281--303},
     publisher = {mathdoc},
     volume = {166},
     number = {3},
     year = {2000},
     doi = {10.4064/fm-166-3-281-303},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-166-3-281-303/}
}