@article{10_4064_fm_44_3_295_299,
     author = {Stanis{\l}aw Balcerzyk and Jan Mycielski},
     title = {On the method of category in analytic manifolds},
     journal = {Fundamenta Mathematicae},
     pages = {295--299},
     publisher = {mathdoc},
     volume = {44},
     number = {3},
     year = {1957},
     doi = {10.4064/fm-44-3-295-299},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-44-3-295-299/}
}