@article{10_4064_fm_109_2_123_142,
     author = {Karol Borsuk and Anna Gmurczyk},
     title = {On homotopy types of 2-dimensional polyhedra},
     journal = {Fundamenta Mathematicae},
     pages = {123--142},
     publisher = {mathdoc},
     volume = {109},
     number = {2},
     year = {1980},
     doi = {10.4064/fm-109-2-123-142},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-109-2-123-142/}
}