@article{10_4064_cm_23_1_61_63,
     author = {A. Gmurczyk},
     title = {Approximative retracts and fundamental retracts},
     journal = {Colloquium Mathematicum},
     pages = {61--63},
     publisher = {mathdoc},
     volume = {23},
     number = {1},
     year = {1971},
     doi = {10.4064/cm-23-1-61-63},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-23-1-61-63/}
}