@article{10_4064_cm_44_2_209_215,
     author = {Teodor C. Przymusi\'nski},
     title = {On {Martin's} axiom and perfect spaces},
     journal = {Colloquium Mathematicum},
     pages = {209--215},
     publisher = {mathdoc},
     volume = {44},
     number = {2},
     year = {1981},
     doi = {10.4064/cm-44-2-209-215},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-44-2-209-215/}
}