@article{10_4064_fm_89_3_229_232,
     author = {Stanis{\l}aw Godlewski},
     title = {A characterization of {MAR} and {MANR-spaces} by extendability of mutations},
     journal = {Fundamenta Mathematicae},
     pages = {229--232},
     publisher = {mathdoc},
     volume = {89},
     number = {3},
     year = {1975},
     doi = {10.4064/fm-89-3-229-232},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-89-3-229-232/}
}